MINISTRY OF SCIENCE AND TECHNOLOGY | THE SOCIALIST REPUBLIC OF VIETNAM |
No. 22/2015/TT-BKHCN | Hanoi, November 11, 2015 |
CIRCULAR
PROMULGATING AND IMPLEMENTING “NATIONAL TECHNICAL REGULATION ON GASOLINES, DIESEL FUEL OILS AND BIOFUELS”
Pursuant to the Law on Technical Regulations and Standards dated June 29, 2006 and Government’s Decree No. 127/2007/ND-CP dated August 01, 2007 elaborating a number of articles of the Law on Technical Regulations and Standards,
Pursuant to the Government's Decree No. 20/2013/ND-CP dated February 26, 2013 defining functions, tasks, entitlements and organizational structure of the Ministry of Science and Technology;
At the request of Director of Department of Science and Technology and Director of Department of Legal Affairs,
The Minister of Science and Technology hereby promulgates a Circular on promulgation and implementation of the “National technical regulation on gasolines, diesel fuel oils and biofuels”.
Article 1. The “National technical regulation on gasolines, diesel fuel oils and biofuels” (QCVN 1:2015/BKHCN) is promulgated together with this Circular.
Article 2. This Circular comes into force from January 01, 2016.
Article 3. This Circular replaces the following Circulars:
1. Circular No. 20/2009/TT-BKHCN dated September 30, 2009 of the Minister of Science and Technology.
2. Circular No. 14/2012/TT-BKHCN dated July 12, 2012 of the Minister of Science and Technology.
3. Circular No. 30/2014/TT-BKHCNN dated October 15, 2014 of the Minister of Science and Technology.
Article 4. Organizations and individualsrelated to import, production, preparing, distribution and retail of gasolines, diesel fuel oils and biofuels shall comply with the National technical regulation on gasolines, diesel fuel oils and biofuels promulgated together with this Circular.
Article 5. The Director of Directorate for Standards, Metrology and Quality and heads of relevant organizations and individuals are responsible for implementation of this Circular.
| PP. THE MINISTER |
QCVN 1:2015/BKHCN
NATIONAL TECHNICAL REGULATION ON GASOLINES, DIESEL FUEL OILS AND BIOFUELS
Foreword
QCVN 1:2015/BKHCN replaces QCVN 1: 2009/BKHCN.
QCVN 1:2015/BKHCN is drafted by Drafting Committee for national technical regulation on gasolines, diesel fuel oils and biofuels, submitted by the Directorate for Standards, Metrology and Quality and promulgated together with the Circular No. 22/2015/TT-BKHCN dated November, 2011 of the Minister of Science and Technology.
NATIONAL TECHNICAL REGULATION ON GASOLINES, DIESEL FUEL OILS AND BIOFUELS
1. GENERAL PROVISIONS
1.1. Scope
1.1.1. This document provides for limits of specifications for safety, health and environment, and requirements for quality management of gasolines, diesel fuel oils and biofuels, including:
- Unleaded gasolines, E5 and E10 gasolines;
- Diesel fuel oils and B5 diesel fuel oils;
- Biofuels: fuel ethanol and B-100 biodiesel fuel blend stock.
1.1.2. This document does not apply to fuels used for aviation and defense purposes.
1.2. Regulated entities
This document applies to organizations and individuals related to import, production, preparing, distribution and retail of gasolines, diesel fuel oils and biofuels in Vietnam.
1.3. Definitions
For the purposes of this document, the terms below shall be construed as follows:
1.3.1. “unleaded gasoline” means a volatile mixture of petroleum-based liquid hydrocarbons having boiling points in the range of from about 30°C to about 215°C, containing small amounts of appropriate but unleaded additives, and used as a fuel in an internal combustion engine.
1.3.2. “E5 gasoline” means a mixture of unleaded gasolines and fuel ethanol with ethanol content of from 4% to 5% by volume, designated E5.
1.3.3. “E10 gasoline” means a mixture of unleaded gasolines and fuel ethanol with an ethanol content of from 9% to 10% by volume, designated E10.
1.3.4. “diesel oil” means a volatile mixture of petroleum-based liquid hydrocarbons having boiling points in the range suitable for use as internal combustion engine fuel.
1.5.5. “B5 diesel fuel oil” means a mixture of diesel oils and biodiesel fuel blend stock with a methyl ester fatty acid (FAME) content of from 4% to 5% by volume, designated B5.
1.3.6. Biofuels
1.3.6.1. “fuel ethanol” includes undenatured fuel ethanol and denatured fuel ethanol.
1.3.6.1.1. “undenatured fuel ethanol” means the ethanol with impurities common to its production (including water).
1.3.6.1.2. “denatured fuel ethanol” means the ethanol denatured with gasolines or naphtha with the volume ranging from 1.96 % to 5.0 %.
1.3.6.2. “biodiesel fuel blend stock” means a fuel comprised of methyl esters of long chain fatty acids derived from vegetable oils or animal fats, not blended with other fuels, uses as diesel engine fuel and designated B100.
2. TECHNICAL REQUIREMENTS
2.1. Unleaded gasolines, E5 and E10 gasolines
2.1.1. Unleaded gasolines
Specifications for unleaded gasolines and corresponding test methods are provided in Table 1.
Table 1 - Specifications for unleaded gasolines
Specification | Specification | Level 2 | Level 3 | Level 4 | Test method | |
1. Research Octane Number (RON) | min. | 90/92/95 | 92/95/98 | 92/95/98 | TCVN 2703 (ASTM D 2699) | |
2. Lead content, g/L | max. | 0.013 | 0.013 | 0.005 | TCVN 7143 (ASTM D 3237) | |
3. Fractional distillation: |
|
|
|
| TCVN 2698 (ASTM D 86) | |
- Initial boiling point, °C |
| Report | Report | Report |
| |
- 10 vol%, °C | max. | 70 | 70 | 70 |
| |
- 50 vol%, °C |
| max. 120 | 70 - 120 | 70 - 120 |
| |
- 90 vol%, °C | max. | 190 | 190 | 190 |
| |
- Final boiling point, °C | max. | 215 | 210 | 210 |
| |
- Terminal residue, vol% | max. | 2.0 | 2.0 | 2.0 |
| |
4. Sulfur content, mg/kg | max. | 500 | 150 | 50 | TCVN 6701 (ASTM D 2622); TCVN 7760 (ASTM D 5453) | |
5. Benzene content, vol% | max. | 2.5 | 2.5 | 1.0 | TCVN 3166 (ASTM D 5580); TCVN 6703 (ASTM D 3606) | |
6. Aromatic hydrocarbon, vol% | max. | 40 | 40 | 40 | TCVN 7330 (ASTM D 1319) | |
7. Olefin content, vol% | max. | 38 | 30 | 30 | TCVN 7330 (ASTM D 1319) | |
8. Oxygen content, vol% | max. | 2.7 | 2.7 | 2.7 | TCVN 7332 (ASTM D 4815) | |
9. Total metal content (Fe, Mn), mg/L | max. | 5 | 5 | 5 | TCVN 7331 (ASTM D 3831) | |
10. Appearance |
| Clear, free of phase separation and contaminants | Clear, free of phase separation and contaminants | Clear, free of phase separation and contaminants | TCVN 7759 (ASTM D 4176) | |
2.1.2. E5 gasolines
2.1.2.1. Specifications for E5 gasolines and corresponding test methods are provided in Table 2.
Table 2 - Specifications for E5 gasolines
Specification | Specification | Level 2 | Level 3 | Level 4 | Test method | |
1. Research Octane Number (RON) | min. | 90/92/95 | 92/95/98 | 92/95/98 | TCVN 2703 (ASTM D 2699) |
|
2. Lead content, g/L | max. | 0.013 | 0.013 | 0.005 | TCVN 7143 (ASTM D 3237) |
|
3. Fractional distillation: |
|
|
|
| TCVN 2698 (ASTM D 86) |
|
- Initial boiling point, °C |
| Report | Report | Report |
|
|
- 10 vol%, °C | max. | 70 | 70 | 70 |
|
|
- 50 vol%, °C | max. | 120 | 70 - 120 | 70 - 120 |
|
|
- 90 vol%, °C | max. | 190 | 190 | 190 |
|
|
- Final boiling point, °C | max. | 215 | 210 | 210 |
|
|
- Terminal residue, vol% | max. | 2.0 | 2.0 | 2.0 |
|
|
4. Sulfur content, mg/kg | max. | 500 | 150 | 50 | TCVN 6701 (ASTM D 2622); TCVN 7760 (ASTM D 5453) |
|
5. Benzene content, vol% | max. | 2.5 | 2.5 | 1.0 | TCVN 3166 (ASTM D 5580); TCVN 6703 (ASTM D 3606) |
|
6. Aromatic hydrocarbon, vol% | max. | 40 | 40 | 40 | TCVN 7330 (ASTM D 1319) |
|
7. Olefin content, vol% | max. | 38 | 30 | 30 | TCVN 7330 (ASTM D 1319) |
|
8. Oxygen content, vol% | max. | 3.7 | 3.7 | 3.7 | TCVN 7332 (ASTM D 4815) |
|
9. Ethanol content, vol% |
| 4 - 5 | 4 - 5 | 4 - 5 | TCVN 7332 (ASTM D 4815) |
|
10. Total metal content (Fe, Mn), mg/L | max. | 5 | 5 | 5 | TCVN 7331 (ASTM D 3831) |
|
11. Appearance |
| Clear, free of phase separation and contaminants | Clear, free of phase separation and contaminants | Clear, free of phase separation and contaminants | TCVN 7759 (ASTM D 4176) |
|
2.1.2.2. The fuel ethanol for blending with unleaded gasoline must comply with Point 2.3.1 Clause 2.3 Section 2 of this document.
2.1.3. E10 gasolines
2.1.3.1. Specifications for E10 gasolines and corresponding test methods are provided in Table 3.
Table 3 - Specifications for E10 gasolines
Specification | Specification | Level 2 | Level 3 | Level 4 | Test method | |
1. Research Octane Number (RON) | min. | 90/92/95 | 92/95/98 | 92/95/98 | TCVN 2703 (ASTM D 2699) |
|
2. Lead content, g/L | max. | 0.013 | 0.013 | 0.005 | TCVN 7143 (ASTM D 3237) |
|
3. Fractional distillation: |
|
|
|
| TCVN 2698 (ASTM D 86) |
|
- Initial boiling point, °C |
| Report | Report | Report |
|
|
- 10 vol%, °C | max. | 70 | 70 | 70 |
|
|
- 50% by volume, °C |
| max. 120 | 70 - 120 | 70 - 120 |
|
|
- 90 vol%, °C | max. | 190 | 190 | 190 |
|
|
- Final boiling point, °C | max. | 215 | 210 | 210 |
|
|
- Terminal residue, vol% | max. | 2.0 | 2.0 | 2.0 |
|
|
4. Sulfur content, mg/kg | max. | 500 | 150 | 50 | TCVN 6701 (ASTM D 2622); TCVN 7760 (ASTM D 5453) |
|
5. Benzene content, vol% | max. | 2.5 | 2.5 | 1.0 | TCVN 3166 (ASTM D 5580); TCVN 6703 (ASTM D 3606) |
|
6. Aromatic hydrocarbon, vol% | max. | 40 | 40 | 40 | TCVN 7330 (ASTM D 1319) |
|
7. Olefin content, vol% | max. | 38 | 30 | 30 | TCVN 7330 (ASTM D 1319) |
|
8. Oxygen content, vol% | max. | 3.7 | 3.7 | 3.7 | TCVN 7332 (ASTM D 4815) |
|
9. Ethanol content, vol% |
| 9 - 10 | 9 - 10 | 9 - 10 | TCVN 7332 (ASTM D 4815) |
|
10. Water content, vol% | max. | 0.2 | 0.2 | 0.2 | ASTM E 203 |
|
11. Total metal content (Fe, Mn), mg/L | max. | 5 | 5 | 5 | TCVN 7331 (ASTM D 3831) |
|
12. Appearance |
| Clear, free of phase separation and contaminants | Clear, free of phase separation and contaminants | Clear, free of phase separation and contaminants | TCVN 7759 (ASTM D 4176) |
|
2.1.3.2. The fuel ethanol for blending with unleaded gasolines must comply with Point 2.3.1 Clause 2.3 Section 2 of this document.
2.2. Diesel fuel oils and B5 diesel fuel oils
2.2.1. Diesel fuel oils
Specifications for diesel fuel oils and corresponding test methods are provided in Table 4.
Table 4 - Specifications for diesel fuel oils
Specification | Specification | Level 2 | Level 3 | Level 4 | Test method | |||||
1. Sulfur content, mg/kg | max. | 500 | 350 | 50 | TCVN 6701 (ASTM D 2622); TCVN 7760 (ASTM D 5453); TCVN 3172 (ASTM D 4294) |
| ||||
2. Cetane | min. |
|
|
|
|
| ||||
- Cetane number |
| 46 | 48 | 50 | TCVN 7630 (ASTM D 613) |
| ||||
- Cetane index 1) |
| 46 | 48 | 50 | TCVN 3180 (ASTM D 4737) |
| ||||
3. 90 % distillation recovery temperature, °C | max. | 360 | 360 | 355 | TCVN 2698 (ASTM D 86) |
| ||||
4. Closed cup flash point, °C | min. | 55 | 55 | 55 | TCVN 2693 (ASTM D 93) |
| ||||
5. Dynamic viscosity at 40 °C, mm2/s |
| 2.0 - 4.5 | 2.0 - 4.5 | 2.0 - 4.5 | TCVN 3171 (ASTM D 445) |
| ||||
6. Freezing point 2), °C | max. | + 6 | + 6 | + 6 | TCVN 3753 (ASTM D 97) |
| ||||
7. Water content, mg/kg | max. | 200 | 200 | 200 | TCVN 3182 (ASTM D 6304) |
| ||||
8. Polycyclic Aromatic Hydrocarbons (PAH) content, %vol | max. | - | 11 | 11 | ASTM D 5186; ASTM D 6591 |
| ||||
1)The cetane index is used to estimate the cetane number of diesel fuel when a test engine is not available to determine the cetane number and no additive is used to increase the cetane number. 2) In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | 1) The cetane index is used to estimate the cetane number of diesel fuel when a test engine is not available to determine the cetane number and no additive is used to increase the cetane number. 2) In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | 1) The cetane index is used to estimate the cetane number of diesel fuel when a test engine is not available to determine the cetane number and no additive is used to increase the cetane number. 2) In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | 1) The cetane index is used to estimate the cetane number of diesel fuel when a test engine is not available to determine the cetane number and no additive is used to increase the cetane number. 2)In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | 1) The cetane index is used to estimate the cetane number of diesel fuel when a test engine is not available to determine the cetane number and no additive is used to increase the cetane number. 2) In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | 1) The cetane index is used to estimate the cetane number of diesel fuel when a test engine is not available to determine the cetane number and no additive is used to increase the cetane number. 2) In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | |||||
2.2.2. B5 diesel fuel oils
Specifications for diesel fuel oils and corresponding test methods are provided in Table 4.
Table 5 - Specifications for B5 diesel fuel oils
Specification | Specification | Level 2 | Level 3 | Level 4 | Test method | ||||||
1. Sulfur content, mg/kg | max. | 500 | 350 | 50 | TCVN 6701 (ASTM D 2622); TCVN 7760 (ASTM D 5453); TCVN 3172 (ASTM D 4294) | ||||||
2. Cetane number | min. | 46 | 48 | 50 | TCVN 7630 (ASTM D 613) | ||||||
3. 90 % distillation recovery temperature, °C | max. | 360 | 360 | 355 | TCVN 2698 (ASTM D 86) | ||||||
4. Closed cup flash point, °C | min. | 55 | 55 | 55 | TCVN 2693 (ASTM D 93) | ||||||
5. Dynamic viscosity at 40 °C, mm2/s |
| 2.0 - 4.5 | 2.0 - 4.5 | 2.0 - 4.5 | TCVN 3171 (ASTM D 445) | ||||||
6. Freezing point 1), °C | max. | + 6 | + 6 | + 6 | TCVN 3753 (ASTM D 97) | ||||||
7. Water content, mg/kg | max. | 200 | 200 | 200 | TCVN 3182 (ASTM D 6304) | ||||||
8. Polycyclic Aromatic Hydrocarbons (PAH) content, %vol | max. | - | 11 | 11 | ASTM D 5186; ASTM D 6591 | ||||||
9. methyl ester fatty acid (FAME) content, %vol |
| 4 - 5 | 4 - 5 | 4 - 5 | TCVN 8147 (EN 14078) | ||||||
10. Oxidation stability, mg/100ml | max. | 25 | 25 | 25 | ASTM D 7462; ASTM D 7545 | ||||||
1)In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | 1) In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | 1) In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | 1) In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | 1) In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | 1) In winter, producers, traders and distributors of fuels in the northern provinces and cities shall ensure supply of diesel fuel oils with an appropriate freezing point which does not affect operation of the engine at ambient temperature. | ||||||
2.2.2.2. The biodiesel fuel blend stockfor blendingwith diesel fuel oils must comply with Point 2.3.2 Clause 2.3 Section 2 of this document.
2.3. Biofuels for blending with E5 gasolines, E10 gasolines and B5 diesel fuel oils
2.3.1. Fuel ethanol
2.3.1.1. Undenatured fuel ethanol
Specifications for undenatured fuel ethanol and corresponding test methods are provided in Table 6.
Table 6 - Specifications for undenatured fuel ethanol
Specification | Specification | Level | Test method | |
1. Ethanol content, %vol | min. | 99.0 | TCVN 7864 (ASTM D 5501) |
|
2. Methanol content, %vol | max. | 0.5 | TCVN 7864 (ASTM D 5501) |
|
3. Water content, %vol | max. | 1.0 | TCVN 7893 (ASTM E 1064) |
|
4. Acidity (as acetic acid CH3COOH), mass % (mg/L) | max. | 0.007 (56) | TCVN 7892 (ASTM D 1613) |
|
5. Inorganic chloride content, mg/L (mg/kg) | max. | 8 (10) | ASTM D 7319; ASTM D 7328 |
|
2.3.1.2. Denatured fuel ethanol
2.3.1.2.1. Specifications for denatured fuel ethanol and corresponding test methods are provided in Table 7.
Table 7 - Specifications for denatured fuel ethanol
Specification | Specification | Value | Test method | |
1. Ethanol content, %vol | min. | 92.1 | TCVN 7864 (ASTM D 5501) |
|
2. Methanol content, %vol | max. | 0.5 | TCVN 7864 (ASTM D 5501) |
|
3. Water content, %vol | max. | 1.0 | TCVN 7893 (ASTM E 1064) |
|
4. Acidity (as acetic acid CH3COOH), mass % (mg/L) | max. | 0.007 (56) | TCVN 7892 (ASTM D 1613) |
|
5. Inorganic chloride content, mg/L (mg/kg) | max. | 8 (10) | ASTM D 7319; ASTM D 7328 |
|
2.3. Biodiesel fuel blend stock
Specifications for biodiesel fuel blend stock are provided in Table 8.
Table 8 - Specifications for biodiesel fuel blend stock
Specification | Specification | Value | Test method | |
1. Methyl ester fatty acid (FAME) content, %vol | min. | 96.5 | TCVN 7868 (EN 14103) | |
2. Water and residue, vol% | max. | 0.050 | TCVN 7757 (ASTM D 2709) | |
3. Dynamic viscosity at 40 °C, mm2/s |
| 1.9 - 6.0 | TCVN 3171 (ASTM D 445) | |
4. Sulfated ash, vol% | max. | 0.020 | TCVN 2689 (ASTM D 874) | |
5. Sulfur, vol% | max. | 0.005 | TCVN 7760 (ASTM D 5453) | |
6. Cetane number | min. | 48 | TCVN 7630 (ASTM D 613) | |
7. Acid number, mg KOH/g | max. | 0.50 | TCVN 6325 (ASTM D 664) | |
8. Oxidation stability at 110°C, h | min. | 6 | TCVN 7895 (EN 14112) | |
9. Free glycerin, % mass | max. | 0.020 | TCVN 7867 (ASTM D 6584) | |
10. Total glycerin, % mass | max. | 0.240 | TCVN 7867 (ASTM D 6584) | |
11. Sulfur, % mass | max. | 0.001 | TCVN 7866 (ASTM D 4951) | |
2.4. Additives
2.4.1. Additives intended for blending with unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuels oils shall comply with regulations on safety, health and environment, and not cause any damage to the engine and fuel storage, transport and distribution system.
2.4.2. Uncommon additives used to produce and prepare unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuel oils shall be registered and approved as prescribed in the Circular No. 15/2009/TT-BKHCN dated June 02, 2009 of the Minister of Science and Technology.
2.4.3. Unleaded gasolines, E5 gasolines and E10 gasolines, diesel fuel oils and B5 diesel fuel oils that contain oxygenated compounds used as additives, the content of oxygenated compounds shall not exceed the values provided in Table 9.
Table 9 - Oxygenated compounds1)
Specification | Specification | Value | Test method | |||
1. Iso-propyl alcohol, %vol | max. | 10.0 | TCVN 7332 (ASTM D 4815) |
| ||
2. Iso-butyl alcohol, %vol | max. | 10.0 |
|
| ||
3. Tert-butyl alcohol, %vol | max. | 7.0 |
|
| ||
4. Ether (atomic mass C ≥ 5) 2), %vol | max. | 15.0 |
|
| ||
Regarding MTBE, vol% | max. | 10.0 |
|
| ||
5. Methanol, vol% |
| KPH 3) |
|
| ||
6. Ketone, vol% |
| KPH 3) |
|
| ||
7. Esters, vol% |
| KPH 3) |
|
| ||
NOTE: 1)Oxygenated compounds may be used in a single form or in a mixture with a volume within the specified limits and total oxygen content shall comply with requirements for types of gasolines. 2) The boiling point is ≤ 210 °C. 3) Unknown | NOTE: 1) Oxygenated compounds may be used in a single form or in a mixture with a volume within the specified limits and total oxygen content shall comply with requirements for types of gasolines. 2) The boiling point is ≤ 210 °C. 3) Unknown | NOTE: 1)Oxygenated compounds may be used in a single form or in a mixture with a volume within the specified limits and total oxygen content shall comply with requirements for types of gasolines. 2) The boiling point is ≤ 210 °C. 3) Unknown | NOTE: 1) Oxygenated compounds may be used in a single form or in a mixture with a volume within the specified limits and total oxygen content shall comply with requirements for types of gasolines. 2) The boiling point is ≤ 210 °C. 3) Unknown | |||
3. TEST METHOD
3.1. Sampling
Fuel samples used to determine the specifications provided in this document shall be taken using TCVN 6777:2007 (ASTM D 4057-06) Petroleum and petroleum products - Method for manual sampling or TCVN 6022:2008 (ISO 3171:1988) Petroleum liquids - Automatic pipeline sampling and Petroleum product sampling methods issued by the Directorate for Standards, Metrology and Quality.
3.2. Test methods
3.2.1. Specifications forunleaded gasolines, E5 gasolines and E10 gasolines specified in Clause 2.1 Section 2 of this document are determined using the following methods:
- TCVN 2703:2013 (ASTM D 2699-12) Standard test method for research octane number of spark-ignition engine fuel.
- TCVN 7143:2010 (ASTM D 3237-06e1) Standard test method for lead in gasoline by atomic absorption spectroscopy.
- TCVN 2698:2011 (ASTM D 86-10a) Standard test method for distillation of petroleum products at atmospheric pressure.
- TCVN 6701:2011 (ASTM D 2622-10) Standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry.
- TCVN 7760:2013 (ASTM D 5453-12) Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark lgnition Engine Fuel, Diesel Engine Fuel, Engine Oil by UItraviolet Fluorescence.
- TCVN 3166:2008 (ASTM D 5580-02) Gasoline - Determination of benzene, toluene, ethylbenzene, p/m-xylene, o-xylene, C9 and heavier aromatics, and total aromatics - Gas chromatography method.
- TCVN 6703 (ASTM D 3606) Standard test method for determination of benzene and toluene in finished motor and aviation gasoline by gas chromatography.
- TCVN 7330:2011 (ASTM D 1319-10) Standard test method for hydrocarbon types in liquid petroleum products by fluorescent indicator adsorption.
- TCVN 7332:2013 (ASTM D 4815-09) Standard test method for determination of MTBE, ETBE, TAME, DIPE, tertiary-Amyl alcohol and C1 to C4 alcohols in gasoline by gas chromatography.
- TCVN 7331:2008 (ASTM D 3831-06) Gasoline - Test method for determination of manganese by atomic absorption spectroscopy.
- TCVN 7759:2008 (ASTM D 4176-04e1), Distillate fuels Determination of free water and particulate contamination(Visual inspection procedures).
- ASTM E 203-08 Test method for water using volumetric Karl Fischer titration.
3.2.2. Specifications for diesel fuel oils and B5 diesel fuel oils specified in Clause 2.2 Section 2 of this document are determined using the following methods:
- TCVN 6701:2011 (ASTM D 2622-10) Standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry.
- TCVN 7760:2013 (ASTM D 5453-12) Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark lgnition Engine Fuel, Diesel Engine Fuel, Engine Oil by UItraviolet Fluorescence.
- TCVN 3172:2008 (ASTM D 4294-06) Petroleum and petroleum products - Determination of sulfur by energy-dispersive X-ray fluorescence spectrometry.
- TCVN 7630:2013 (ASTM D 613-10a) Standard Test Method for Cetane Number of Diesel Fuel Oil.
- TCVN 3180:2013 (ASTM D 4737-10) Standard test method for calculated cetane index by four variable equation.
- TCVN 2698:2011 (ASTM D 86-10a) Standard test method for distillation of petroleum products at atmospheric pressure.
- TCVN 2693:2007 (ASTM D 93-06) Petroleum products – Test method for determination of flash point by Pensky-Martens closed cup tester.
- TCVN 3171:2011 (ASTM D 445-11) Standard test method for kinematic viscosity of transparent and opaque liquids (and calculation of dynamic viscosity).
- TCVN 3753:2007 (ASTM D 97) Petroleum products - Test method for determination of pour point.
- TCVN 3182:2008 (ASTM D 6304-04ae1) Petroleum products, lubricating oils, and additives - Determination of water by coulometric Karl Fischer titration.
- ASTM D 5186 Standard Test Method for Determination of Aromatic Content and Polynuclear Aromatic Content of Diesel Fuels and Aviation Turbine Fuels by Supercritical Fluid Chromatography.
- ASTM D 6591 Standard Test Method for Determination of Aromatic Hydrocarbon types in Middle Distillates High Performance Liquid Chromatography Method with Refractive Index Detection.
- TCVN 8147:2009 (EN 14078:2003 Liquid petroleum products - Determination of fatty acid methyl esters (FAME) in middle distillates - Infrared spectroscopy method.
- ASTM D 7462-11 Standard Test Method for Oxidation Stability of Biodiesel (B100) and Blends of Biodiesel with Middle Distillate Petroleum Fuel (Accelerated Method).
- ASTM D 7545-14 Standard Test Method for Oxidation Stability of Middle Distillate Fuels-Rapid Small Scale Oxidation Test (RSSOT).
3.2.3. Specifications for fuel ethanol specified in Point 2.3.1 Clause 2.3 Section 2 of this document are determined using the following methods:
- TCVN 7864:2013 (ASTM D 5501-12) Standard Test Method for Determination of Ethanol Content of Denatured Fuel Ethanol by Gas Chromatography.
- TCVN 7893:2008 (ASTM D 1064-05) Organic liquids - Determination of water by coulometric Karl Fischer titration.
- TCVN 7892:2008 (ASTM D 1613-06) Volatile solvents and chemical intermediates used in paint, varnish, lacquer, and related products – Method for determination of acidity.
- ASTM D 7319-12 Standard Test Method for Determination of Existent and Potential Sulfate and Inorganic Chloride in Fuel Ethanol by Direct lnjection Suppressed lon Chromatography.
- ASTM D 7328-11 Standard Test Method for Determination of Existent and Potential Inorganic Sulfate and Total Inorganic Chloride in Fuel Ethanol by lon Chromatography Using Aqueous Sample lnjection.
3.2.4. Specifications for biodiesel fuel blend stock specified in Point 2.3.2 Clause 2.3 Section 2 of this document are determined using the following methods:
- TCVN 7868:2008 (EN 14103:2003) Fat and oil derivatives - Fatty acid methyl esters (FAME) - Determination of ester and linoleic acid methyl ester contents.
- TCVN 7757:2007 (ASTM D 2709-06) Middle distillate fuels – Determination of water and sediment by centrifuge.
- TCVN 3171:2011 (ASTM D 445-11) Standard test method for kinematic viscosity of transparent and opaque liquids (and calculation of dynamic viscosity).
- TCVN 2689:2007 (ASTM D 874-06) Lubricating oils and additives - Determination of sulphated ash.
- TCVN 7760:2013 (ASTM D 5453-12) Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark lgnition Engine Fuel, Diesel Engine Fuel, Engine Oil by UItraviolet Fluorescence.
- TCVN 7630:2013 (ASTM D 613-10a) Standard Test Method for Cetane Number of Diesel Fuel Oil.
- TCVN 6325:2013 (ASTM D 664-11a) Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration.
- TCVN 7895:2008 (EN 14112:2003) Fat and oil derivatives - Fatty acid methy esters (FAME) - Determination of oxidation stability (accelerated oxidation test).
- TCVN 7867:2008 (ASTM D 6584-07) B-100 biodiesel methyl esters - Determination of free and total glycerin - Gas chromatography method.
- TCVN 7866:2008 (ASTM D 4951-06) Lubricating oils - Determination of additive elements by inductively coupled plasma atomic emission spectrometry.
3.3. Utilization of test data
Test data on gasolines, diesel fuel oils and biofuels to determine conformance shall be utilized according to TCVN 6702:2013 (ASTM D 3244-07a) Standard Practice for Utilization of Test Data to Determine Conformance with Specifications.
4. MANAGEMENT REQUIREMENTS
4.1. Imported or domestically produced and prepared unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuel oils shall have their conformance with specifications specified in Section 2 of this document assessed and certified, and comply with procedures according to applicable management requirements before they are sold on the market.
4.2. Assessment and certification of conformance of unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuel oils with specifications specified in Section 2 of this document shall be carried out by the certifying organization designated or recognized by the Directorate for Standards, Metrology and Quality.
4.3. Methods for assessing and certifying conformance and applied principles are provided in Article 5 and Appendix II of the Circular No.28/2012/TT-BKHCN dated December 12, 2012. To be specific:
a) Conformance of domestically produced and prepared unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuel oils with this document shall be assessed and certified using Method 5 "Test representative sample and assess the manufacturing process; carry out supervision by testing the sample collected from the manufacturing location or on the market in association with assessment of the manufacturing process " or Method 7 “Test and assess conformance of batches and lots”;
b) Conformance of imported unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuel oils with this document shall be assessed and certified using Method 7 “Test and assess conformance of batches and lots”;
4.4. Declarations of conformity of domestically produced and prepared unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuel oils must be submitted as prescribed in the Circular No. 28/2012/TT-BKHCN dated December 12, 2012 of the Minister of Science and Technology.
Applications for inspection of quality of imported unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuel oils must be submitted to the inspecting authority as prescribed in the Circular No. 27/2012/TT-BKHCN dated December 12, 2012 of the Minister of Science and Technology.
4.5. Quality of unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuel oils that are imported, or domestically produced and prepared and sold on the market shall be conformable to this document, and such products shall undergo quality inspection as prescribed by law.
5. RESPONSIBILITIES OF ORGANIZATIONS AND INDIVIDUALS
5.1. Organizations and individuals that produce, prepare and import unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils, B5 diesel fuel oils, fuel ethanol and biodiesel fuel blend stock shall declare applied standards in accordance with this document and ensure the quality of their product in conformity with regulations specified in this document and applied standards.
5.2. Organizations and individuals that produce and prepare unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuel oils shall submit applications for issuance of the certificate of conformity and declarations of conformity as prescribed in this document.
Importers of unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils and B5 diesel fuel oils shall submit applications for issuance of the certificate of conformity and for quality inspection as prescribed in this document.
5.3. Distributors and retailers of unleaded gasolines, E5 gasolines, E10 gasolines, diesel fuel oils, B5 diesel fuel oils, fuel ethanol and biodiesel fuel blend stock shall ensure the quality of their product in conformity with regulations specified in this document.
5.4. Fuel trading stations or other distributors and retailers shall provide information about type of gasolines and/or diesel fuel oils. To be specific:
- Regarding unleaded gasolines: octane number and emission standards
For example: RON90-II; RON92-II; RON95-II; RON92-III; RON95-III; RON98-III; RON92-IV; RON95-IV; RON98-IV
- Regarding biogasolines: research octane number, blending ratio of fuel ethanol, and emission standards
For example: E5 RON92-II; E5 RON95-II; E5 RON92-III; E5 RON95-III; E5 RON98-III; E10 RON92-IV; E10 RON95-IV; E10 RON98-IV
- Regarding diesel fuel oils: symbol of diesel fuel oils and sulfur content
For example: DO 0.05S; DO 0.035S; DO 0.005S
- Regarding B5 diesel fuel oils: symbol of diesel fuel oils, symbol B5 and sulfur content
For example: DO B5 0.05S; DO B5 0.035S; DO B5 0.005S.
6. IMPLEMENTATION
6.1. TheDirectorate for Standards, Metrology and Quality shall provide instruct, inspect and cooperate with relevant authorities in organizing the implementation of this document.
According to management requirements, the Directorate for Standards, Metrology and Quality shall request the Ministry of Science and Technology to make amendments to this document.
6.2. In the cases where any of the legislative documents referred to or guidelines specified in this document is amended or replaced, the newest one shall apply./.
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