Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization — Part 1: Rules for the structure and drafting of standardizing documents.
This document replaces GB/T 23799-2009 Methanol gasoline (M85) for motor vehicles. In addition to structural adjustment and editorial changes, the following main technical changes have been made with respect to GB/T 23799-2009:
a) The regulations on dyes in footnote a of the appearance in Table 1 have been modified (see Table 1; Table 1 in 2009 edition);
b) The item of methanol + multi-carbon alcohols (C2 ~ C8) (volume fraction) has been modified to methanol (volume fraction) with an indicator of 82% ~ 86%, and the test method ASTM D7920 has been added (see Table 1; Table 1 in 2009 edition);
c) The item of hydrocarbon compounds + aliphatic ethers in the 2009 edition has been deleted (see Table 1 in the 2009 edition);
d) The vapor pressure from November 1 to April 30 has been modified from not more than 78 kPa to 45 kPa ~ 78 kPa, and that from May 1 to October 31 has been modified from not more than 68 kPa to 40 kPa ~ 65 kPa (see Table 1; Table 1 in 2009 edition);
e) The sulfur content has been modified from not more than 80 mg/kg to not more than 5 mg/kg; the detection method GB/T 34100 has been added; and the arbitration method has been modified to GB/T 34100 (see Table 1; Table 1 in 2009 edition);
f) The item of multi-carbon alcohols (C2 ~ C8) in the 2009 edition has been deleted (see Table 1 for the 2009 edition);
g) The test method for determination of inorganic chloride ASTM D7328 has been added (see Table 1);
h) The test method for determination of water ASTM D7923 has been added (see Table 1);
I) The manganese content has been modified from not more than 2.9 mg/L to not more than 2 mg/L (see Table 1; Table 1 in 2009 edition);
j) The item of corrosiveness to copper with index of no more than Grade 1 by test method GB/T 5096 has been added (see Table 1);
k) Annex B "Method for determination of hydrocarbon compounds and aliphatic ethers in methanol gasoline (M85) for motor vehicles" in the 2009 edition has been deleted;
l) Annex B "Method for determination of inorganic chloride in methanol gasoline (M85) for motor vehicles" hereof has been modified (see Annex B; Annex C in 2009 edition);
m) Annex D in 2009 edition has been deleted.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This document was proposed by National Technical Committee on Petroleum Products and Lubricants of Standardization Administration of China (SAC/TC 280).
This document was firstly issued in 2009, and this edition is the first revision.
Methanol gasoline (M85) for motor vehicles
Warning — If proper preventive measures are not observed, the products covered by this document may be in danger during production, storage, transportation and use. This document is not intended to suggest all safety issues related to this product. Before using this document, users are responsible for establishing appropriate safety and preventive measures and determining the applicability of relevant regulations and restrictions.
1 Scope
This document specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and safety of methanol gasoline (M85) for motor vehicles blended from 82% ~ 86% (volume fraction) of methanol, motor gasoline and additives for improving service performance.
This document is applicable to the fuel for vehicles equipped with ignition engine using methanol gasoline (M85).
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB 190 Packing symbol of dangerous goods
GB/T 511 Petroleum, petroleum products and additives — Method for determination of mechanical admixtures
GB/T 4756 Method for manual sampling of petroleum liquids
GB/T 5096 Test method for corrosiveness to copper from petroleum products by copper strip test
GB/T 6283 Chemical products — Determination of water Karl·Fischer method (general method)
GB/T 6682 Water for analytical laboratory use — Specification and test methods
GB/T 8019 Standard test method for gum content in fuels — By jet evaporation
GB/T 8020 Determination of lead in gasoline — Atomic absorption spectrometry
GB/T 9725 Chemical reagent — General rule for potentiometric titration
GB/T 11140 Standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry
GB 12268 List of dangerous goods
GB 13690 General rule for classification and hazard communication of chemicals
GB/T 17476 Standard test method for determination of additive elements, wear metals, and contaminants in used lubricanting oils and determination of selected elements in base oils by inductively coupled plasma atomic emission spectrometry (ICP-AES)
GB/T 17519 Guidance on the compilation of safety data sheet for chemical products
GB 17930 Gasoline for motor vehicles
GB/T 18612 Determination of organic chloride content in crude oil
GB 19592 Detergent additive for motor gasoline
GB 30000.7 Rules for classification and labelling of chemicals — Part 7: Flammable liquids
GB/T 34100 Test method for determination of total sulfur in light hydrocarbons, spark ignition engine fuel, diesel engine fuel, and engine oil — Ultraviolet fluorescence method
NB/SH/T 0164 Petroleum and related products packaging, storage, transportation and acceptance of delivery rules
NB/SH/T 0711 Standard test method for manganese in gasoline by atomic absorption spectroscopy
SH/T 0253 Determination method for total sulfur content in light petroleum products (coulometric method)
SH/T 0689 Standard test method for determination of total sulfur in light hydrocarbons, motor fuels and oils by ultraviolet fluorescence
SH/T 0794 Standard test method for vapor pressure of petroleum products (mini method)
ASTM D512 Standard test methods for chloride ion in water
ASTM D1613 Standard test method for acidity in volatile solvents and chemical intermediates used in paint, varnish, lacquer, and related products
ASTM D4626 Standard practice for calculation of gas chromatographic response factors
ASTM D5059 Standard test methods for lead and manganese in gasoline by X-ray spectroscopy
ASTM D7328 Standard test method for determination of existent and potential inorganic sulfate and total inorganic chloride in fuel ethanol by ion chromatography using aqueous sample injection
ASTM D7920 Standard test method for determination of fuel methanol (M99) and methanol fuel blends (M10 to M99) by gas chromatography
ASTM D7923 Standard test method for water in ethanol and hydrocarbon blends by Karl·Fischer titration
ASTM E203 Standard test method for water using volumetric Karl·Fischer titration
3 Terms, definitions and abbreviations
3.1 Terms and definitions
For the purpose of this document, the following terms and definitions apply.
3.1.1
methanol gasoline (M85) for motor vehicles
product made of methanol, motor gasoline conforming to GB 17930 and additives improving the service performance
Note: The amount of methanol added is 82% ~ 86% (volume fraction)
3.1.2
low-volume connector
special device connecting two pipelines with inner diameters of 1.6 mm and smaller
Note: It also known as zero dead volume connecting device.
3.1.3
split ratio
ratio of the total flow rate of carrier gas at the sample injection port to the flow rate of carrier gas entering the capillary column, in a capillary gas chromatography apparatus
3.2 Abbreviations
For the purposes of this document, the following abbreviations apply.
TCEP 1,2,3-tris-2-cyanoethoxypropane
WCOT wall-coated open tubular
4 Requirements and test methods
4.1 The technical requirements and test methods for methanol gasoline (M85) for motor vehicles shall comply with those specified in Table 1.
4.2 Motor gasoline used for blending methanol gasoline (M85) for motor vehicles shall comply with GB 17930.
4.3 Additives used in methanol gasoline (M85) for motor vehicles shall be used without recognized harmful effects and according to the recommended appropriate dosage. The methanol gasoline (M85) for motor vehicles shall not contain any additives and pollutants that may cause vehicles to fail to run normally. Dimethoxymethane, aniline, halogens and compounds containing phosphorus, iron and silicon shall not be artificially added to methanol gasoline (M85) for motor vehicles.
Table 1 Technical requirements and test methods for methanol gasoline (M85) for motor vehicles
Item Unit Quality indicator Test method
Appearance a — Orange-red transparent liquid, non-layered, free of suspended and settled mechanical impurities Visual inspection
Methanol b (volume fraction) % 82 ~ 86 Annex A
Vapor pressure c
November 1 to April 30
May 1 to October 31 kPa 45 ~ 78
40 ~ 65 d SH/T 0794
Lead content e g/L ≤ 0.0025 GB/T 8020
Sulfur content f mg/kg ≤ 5 GB/T 34100
Acidity (calculated according to that of acetic acid) mg/kg ≤ 50 ASTM D1613
Solvent washed gum mg/100 ml ≤ 5 GB/T 8019
Unwashed gum mg/100 ml ≤ 20 GB/T 8019
Content of organic chloride mg/kg ≤ 2 GB/T 18612
Content of inorganic chloride g (calculated based on Cl–) mg/kg ≤ 1 Annex B
Effective metal corrosion inhibitors and motor gasoline detergent additive conforming to GB 19592 shall be added.
a The sample injected into a 100 mL glass measuring cylinder shall be orange-red transparent liquid without suspended and settled mechanical impurities. In case of any dispute, the determination results by GB/T 511 method shall prevail; The orange-red color is the result of adding dye to methanol gasoline (M85) for motor vehicles. 8 mg/kg ~ 10 mg/kg of solvent red (alias Sudan IV) with index No. of C.I. SolventRed 24 (26105), if selected as dye, shall be added. Other suitable dyes are also applicable.
b The method in ASTM D7920 may also be adopted. In case of any dispute, the determination result by the method of Annex A shall prevail.
c Before new coming season, the gas station is allowed to have a replacement period of 15 days.
d Guangdong and Hainan provinces and Guangxi Zhuang Autonomous Region shall implement this requirement throughout the year.
e The method in ASTM D5059 may also be adopted. In case of any dispute, the determination result by the method in GB/T 8020 shall prevail. In the case of the test method in ASTM D5059, methanol (analytical pure reagent) is required to be used as solvent to prepare calibration solution, so as to prevent errors caused by significant difference in hydrocarbon ratio. Additives containing lead shall not be artificially added to methanol gasoline (M85) for motor vehicles.
f The methods in SH/T 0689, GB/T 11140 and SH/T 0253 may also be adopted. In case of any dispute, the method in GB/T 34100 shall prevail.
g The methods in ASTM D7328 and ASTM D512 (Method C) may also be adopted. In case of any dispute, the determination result by the method of Annex B shall prevail.
h The methods in GB/T 6283, ASTM D7923 may also be adopted. In case of any dispute, the determination result by the method in ASTM E203 shall prevail.
i Additives containing manganese shall not be artificially added to methanol gasoline (M85) for motor vehicles.
5 Inspection rules
5.1 Inspection and items
The inspection of methanol gasoline (M85) for motor vehicles is the end-of-manufacturing inspection covering all items specified in Table 1.
5.2 Batching rules
Under the condition that raw material and process keep unchanged, the products of a tank (or kettle) form a batch.
5.3 Sampling
5.3.1 Sampling is carried out according to GB/T 4756, and 2 L of sample shall be taken for inspection and sample retention.
5.3.2 Brown glass containers shall be used for sampling. A metal container, if used, shall not be welded. Because the solder will corrode and dissolve into methanol fuel, causing polluted sample. Plastic containers is not allowed.
Foreword i 1 Scope 2 Normative references 3 Terms, definitions and abbreviations 4 Requirements and test methods 5 Inspection rules 6 Marking, packaging, transportation and storage 7 Safety Annex A (Normative) Determination of methanol content in methanol gasoline (M85) for motor vehicles Annex B (Normative) Method for determination of inorganic chlorine content in methanol gasoline (M85) for motor vehicles Bibliography
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This document is developed in accordance with the rules given in GB/T 1.1-2020 Directives for standardization — Part 1: Rules for the structure and drafting of standardizing documents.
This document replaces GB/T 23799-2009 Methanol gasoline (M85) for motor vehicles. In addition to structural adjustment and editorial changes, the following main technical changes have been made with respect to GB/T 23799-2009:
a) The regulations on dyes in footnote a of the appearance in Table 1 have been modified (see Table 1; Table 1 in 2009 edition);
b) The item of methanol + multi-carbon alcohols (C2 ~ C8) (volume fraction) has been modified to methanol (volume fraction) with an indicator of 82% ~ 86%, and the test method ASTM D7920 has been added (see Table 1; Table 1 in 2009 edition);
c) The item of hydrocarbon compounds + aliphatic ethers in the 2009 edition has been deleted (see Table 1 in the 2009 edition);
d) The vapor pressure from November 1 to April 30 has been modified from not more than 78 kPa to 45 kPa ~ 78 kPa, and that from May 1 to October 31 has been modified from not more than 68 kPa to 40 kPa ~ 65 kPa (see Table 1; Table 1 in 2009 edition);
e) The sulfur content has been modified from not more than 80 mg/kg to not more than 5 mg/kg; the detection method GB/T 34100 has been added; and the arbitration method has been modified to GB/T 34100 (see Table 1; Table 1 in 2009 edition);
f) The item of multi-carbon alcohols (C2 ~ C8) in the 2009 edition has been deleted (see Table 1 for the 2009 edition);
g) The test method for determination of inorganic chloride ASTM D7328 has been added (see Table 1);
h) The test method for determination of water ASTM D7923 has been added (see Table 1);
I) The manganese content has been modified from not more than 2.9 mg/L to not more than 2 mg/L (see Table 1; Table 1 in 2009 edition);
j) The item of corrosiveness to copper with index of no more than Grade 1 by test method GB/T 5096 has been added (see Table 1);
k) Annex B "Method for determination of hydrocarbon compounds and aliphatic ethers in methanol gasoline (M85) for motor vehicles" in the 2009 edition has been deleted;
l) Annex B "Method for determination of inorganic chloride in methanol gasoline (M85) for motor vehicles" hereof has been modified (see Annex B; Annex C in 2009 edition);
m) Annex D in 2009 edition has been deleted.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this document shall not be held responsible for identifying any or all such patent rights.
This document was proposed by National Technical Committee on Petroleum Products and Lubricants of Standardization Administration of China (SAC/TC 280).
This document was firstly issued in 2009, and this edition is the first revision.
Methanol gasoline (M85) for motor vehicles
Warning — If proper preventive measures are not observed, the products covered by this document may be in danger during production, storage, transportation and use. This document is not intended to suggest all safety issues related to this product. Before using this document, users are responsible for establishing appropriate safety and preventive measures and determining the applicability of relevant regulations and restrictions.
1 Scope
This document specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and safety of methanol gasoline (M85) for motor vehicles blended from 82% ~ 86% (volume fraction) of methanol, motor gasoline and additives for improving service performance.
This document is applicable to the fuel for vehicles equipped with ignition engine using methanol gasoline (M85).
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB 190 Packing symbol of dangerous goods
GB/T 511 Petroleum, petroleum products and additives — Method for determination of mechanical admixtures
GB/T 4756 Method for manual sampling of petroleum liquids
GB/T 5096 Test method for corrosiveness to copper from petroleum products by copper strip test
GB/T 6283 Chemical products — Determination of water Karl·Fischer method (general method)
GB/T 6682 Water for analytical laboratory use — Specification and test methods
GB/T 8019 Standard test method for gum content in fuels — By jet evaporation
GB/T 8020 Determination of lead in gasoline — Atomic absorption spectrometry
GB/T 9725 Chemical reagent — General rule for potentiometric titration
GB/T 11140 Standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry
GB 12268 List of dangerous goods
GB 13690 General rule for classification and hazard communication of chemicals
GB/T 17476 Standard test method for determination of additive elements, wear metals, and contaminants in used lubricanting oils and determination of selected elements in base oils by inductively coupled plasma atomic emission spectrometry (ICP-AES)
GB/T 17519 Guidance on the compilation of safety data sheet for chemical products
GB 17930 Gasoline for motor vehicles
GB/T 18612 Determination of organic chloride content in crude oil
GB 19592 Detergent additive for motor gasoline
GB 30000.7 Rules for classification and labelling of chemicals — Part 7: Flammable liquids
GB/T 34100 Test method for determination of total sulfur in light hydrocarbons, spark ignition engine fuel, diesel engine fuel, and engine oil — Ultraviolet fluorescence method
NB/SH/T 0164 Petroleum and related products packaging, storage, transportation and acceptance of delivery rules
NB/SH/T 0711 Standard test method for manganese in gasoline by atomic absorption spectroscopy
SH/T 0253 Determination method for total sulfur content in light petroleum products (coulometric method)
SH/T 0689 Standard test method for determination of total sulfur in light hydrocarbons, motor fuels and oils by ultraviolet fluorescence
SH/T 0794 Standard test method for vapor pressure of petroleum products (mini method)
ASTM D512 Standard test methods for chloride ion in water
ASTM D1613 Standard test method for acidity in volatile solvents and chemical intermediates used in paint, varnish, lacquer, and related products
ASTM D4626 Standard practice for calculation of gas chromatographic response factors
ASTM D5059 Standard test methods for lead and manganese in gasoline by X-ray spectroscopy
ASTM D7328 Standard test method for determination of existent and potential inorganic sulfate and total inorganic chloride in fuel ethanol by ion chromatography using aqueous sample injection
ASTM D7920 Standard test method for determination of fuel methanol (M99) and methanol fuel blends (M10 to M99) by gas chromatography
ASTM D7923 Standard test method for water in ethanol and hydrocarbon blends by Karl·Fischer titration
ASTM E203 Standard test method for water using volumetric Karl·Fischer titration
3 Terms, definitions and abbreviations
3.1 Terms and definitions
For the purpose of this document, the following terms and definitions apply.
3.1.1
methanol gasoline (M85) for motor vehicles
product made of methanol, motor gasoline conforming to GB 17930 and additives improving the service performance
Note: The amount of methanol added is 82% ~ 86% (volume fraction)
3.1.2
low-volume connector
special device connecting two pipelines with inner diameters of 1.6 mm and smaller
Note: It also known as zero dead volume connecting device.
3.1.3
split ratio
ratio of the total flow rate of carrier gas at the sample injection port to the flow rate of carrier gas entering the capillary column, in a capillary gas chromatography apparatus
3.2 Abbreviations
For the purposes of this document, the following abbreviations apply.
TCEP 1,2,3-tris-2-cyanoethoxypropane
WCOT wall-coated open tubular
4 Requirements and test methods
4.1 The technical requirements and test methods for methanol gasoline (M85) for motor vehicles shall comply with those specified in Table 1.
4.2 Motor gasoline used for blending methanol gasoline (M85) for motor vehicles shall comply with GB 17930.
4.3 Additives used in methanol gasoline (M85) for motor vehicles shall be used without recognized harmful effects and according to the recommended appropriate dosage. The methanol gasoline (M85) for motor vehicles shall not contain any additives and pollutants that may cause vehicles to fail to run normally. Dimethoxymethane, aniline, halogens and compounds containing phosphorus, iron and silicon shall not be artificially added to methanol gasoline (M85) for motor vehicles.
Table 1 Technical requirements and test methods for methanol gasoline (M85) for motor vehicles
Item Unit Quality indicator Test method
Appearance a — Orange-red transparent liquid, non-layered, free of suspended and settled mechanical impurities Visual inspection
Methanol b (volume fraction) % 82 ~ 86 Annex A
Vapor pressure c
November 1 to April 30
May 1 to October 31 kPa 45 ~ 78
40 ~ 65 d SH/T 0794
Lead content e g/L ≤ 0.0025 GB/T 8020
Sulfur content f mg/kg ≤ 5 GB/T 34100
Acidity (calculated according to that of acetic acid) mg/kg ≤ 50 ASTM D1613
Solvent washed gum mg/100 ml ≤ 5 GB/T 8019
Unwashed gum mg/100 ml ≤ 20 GB/T 8019
Content of organic chloride mg/kg ≤ 2 GB/T 18612
Content of inorganic chloride g (calculated based on Cl–) mg/kg ≤ 1 Annex B
Sodium content mg/kg ≤ 2 GB/T 17476
Water h (mass fraction) % ≤ 0.5 ASTM E203
Manganese content i mg/L ≤ 2 NB/SH/T 0711
Corrosiveness to copper (50°C, 3 h) Grade ≤ 1 GB/T 5096
Effective metal corrosion inhibitors and motor gasoline detergent additive conforming to GB 19592 shall be added.
a The sample injected into a 100 mL glass measuring cylinder shall be orange-red transparent liquid without suspended and settled mechanical impurities. In case of any dispute, the determination results by GB/T 511 method shall prevail; The orange-red color is the result of adding dye to methanol gasoline (M85) for motor vehicles. 8 mg/kg ~ 10 mg/kg of solvent red (alias Sudan IV) with index No. of C.I. SolventRed 24 (26105), if selected as dye, shall be added. Other suitable dyes are also applicable.
b The method in ASTM D7920 may also be adopted. In case of any dispute, the determination result by the method of Annex A shall prevail.
c Before new coming season, the gas station is allowed to have a replacement period of 15 days.
d Guangdong and Hainan provinces and Guangxi Zhuang Autonomous Region shall implement this requirement throughout the year.
e The method in ASTM D5059 may also be adopted. In case of any dispute, the determination result by the method in GB/T 8020 shall prevail. In the case of the test method in ASTM D5059, methanol (analytical pure reagent) is required to be used as solvent to prepare calibration solution, so as to prevent errors caused by significant difference in hydrocarbon ratio. Additives containing lead shall not be artificially added to methanol gasoline (M85) for motor vehicles.
f The methods in SH/T 0689, GB/T 11140 and SH/T 0253 may also be adopted. In case of any dispute, the method in GB/T 34100 shall prevail.
g The methods in ASTM D7328 and ASTM D512 (Method C) may also be adopted. In case of any dispute, the determination result by the method of Annex B shall prevail.
h The methods in GB/T 6283, ASTM D7923 may also be adopted. In case of any dispute, the determination result by the method in ASTM E203 shall prevail.
i Additives containing manganese shall not be artificially added to methanol gasoline (M85) for motor vehicles.
5 Inspection rules
5.1 Inspection and items
The inspection of methanol gasoline (M85) for motor vehicles is the end-of-manufacturing inspection covering all items specified in Table 1.
5.2 Batching rules
Under the condition that raw material and process keep unchanged, the products of a tank (or kettle) form a batch.
5.3 Sampling
5.3.1 Sampling is carried out according to GB/T 4756, and 2 L of sample shall be taken for inspection and sample retention.
5.3.2 Brown glass containers shall be used for sampling. A metal container, if used, shall not be welded. Because the solder will corrode and dissolve into methanol fuel, causing polluted sample. Plastic containers is not allowed.
Contents of GB/T 23799-2021
Foreword i
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Requirements and test methods
5 Inspection rules
6 Marking, packaging, transportation and storage
7 Safety
Annex A (Normative) Determination of methanol content in methanol gasoline (M85) for motor vehicles
Annex B (Normative) Method for determination of inorganic chlorine content in methanol gasoline (M85) for motor vehicles
Bibliography
