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GB/T 32859-2016 English PDF (GBT32859-2016)

GB/T 32859-2016 English PDF (GBT32859-2016)

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GB/T 32859-2016: Detergent additive for diesel fuel

This Standard specifies terms and definitions, requirements and test methods, inspection rules, marks, packaging, transportation and storage, safety for detergent additive for diesel fuel. This Standard is applicable to the detergents used in diesel engine fuels such as vehicle diesel, ordinary diesel, and biodiesel blended fuel (B5).
GB/T 32859-2016
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 75.080
E 61
Detergent additive for diesel fuel
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ISSUED ON: AUGUST 29, 2016
IMPLEMENTED ON: MARCH 01, 2017
Issued by: General Administration of Quality Supervision, Inspection and Quarantine;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 5
4 Requirements and test methods ... 6
5 Inspection rules ... 7
6 Marks, packaging, transportation, storage ... 8
7 Safety ... 8
Annex A (normative) Base fuel ... 9
Annex B (normative) Test method for demulsibility of detergent additive for diesel fuel ... 10
Detergent additive for diesel fuel
WARNING: If the appropriate precautions are not followed, the products
under this Standard may be dangerous in the process of production,
storage, transportation, and use. This Standard does not intend to make recommendations for all safety issues related to this product. Before
using this standard, users are responsible for establishing appropriate safety and precautionary measures and determining the applicability of
relevant regulatory restrictions.
1 Scope
This Standard specifies terms and definitions, requirements and test methods, inspection rules, marks, packaging, transportation and storage, safety for detergent additive for diesel fuel.
This Standard is applicable to the detergents used in diesel engine fuels such as vehicle diesel, ordinary diesel, and biodiesel blended fuel (B5).
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 252, General diesel fuels
GB/T 260, Test method for water in petroleum products - Distillation method GB/T 261, Determination of flash point - Pensky-Martens closed cup method GB/T 265, Petroleum products - Determination of kinematic viscosity and calculation of dynamic viscosity
GB/T 511, Petroleum, petroleum products and additives - Method for
determination of mechanical admixtures
GB/T 1884, Crude Petroleum and Liquid Petroleum Products - Laboratory
Determination of Density - Hydrometer Method
GB/T 1885, Petroleum measurement tables
5 Inspection rules
5.1 Inspection classification and inspection items
Product inspection is divided into exit-factory inspection and type inspection. 5.1.1 Exit-factory inspection
The exit-factory batch inspection items include appearance, nitrogen content, sulfur content, chlorine content, density, kinematic viscosity, flash point (closed), pour point, moisture, mechanical impurities, and demulsibility. When there are no changes in raw materials and production processes that may affect product quality, the exit-factory cycle inspection item is nozzle cleanliness. The inspection cycle is every two years for normal production.
5.1.2 Type inspection
The type inspection items include all the items specified in the technical requirements of Table 1.
The type inspection shall be conducted in one of the following cases:
a) When a new product is put into production or product stereotype
identification;
b) when there are great changes in raw material, production technique which may affect product quality;
c) when production is resumed after discontinued production of more than two years.
5.2 Batching
Under the conditions of the same raw materials and production technique, each can or kettle produced is a batch.
5.3 Sampling
Conduct it according to GB/T 4756. The amount of sample taken is not less than 1L for inspection and sample retention.
5.4 Rules for determination
When the results of exit-factory inspection and type inspection all meet the requirements of Table 1, the batch of products is determined to be conforming. 5.5 Reinspection rules
Annex B
(normative)
Test method for demulsibility of detergent additive for diesel fuel
B.1 Scope
This method specifies the test method and test instrument for the
demulsification performance of detergent additive for diesel fuel.
This method is applicable to evaluation on the demulsification performance of detergent additive for diesel fuel.
B.2 Method summary
At room temperature, put the test diesel fuel and phosphate buffer solution into a clean stoppered glass measuring cylinder. Shake the measuring cylinder as required. Then check the volume change of the water layer in the glass
measuring cylinder.
B.3 Instrument
Stoppered glass measuring cylinder: 100mL, of which the graduation is 1mL. The distance from the 100mL scale line to the mouth of the measuring cylinder is 50mm~60mm.
B.4 Reagents and materials
B.4.1 Distilled water: meet the requirements of grade 3 water in GB/T 6682. B.4.2 Acetone: analytically pure (warning: flammable, harmful to the body). B.4.3 Glass cleaning solution: non-ionic detergent cleaning solution; if necessary, use chromic acid lotion (warning: strong corrosive, harmful to health).
B.4.4 Potassium hydrogen phosphate anhydrous: analytically pure.
B.4.5 Anhydrous potassium dihydrogen phosphate: analytically pure.
B.4.6 Phosphate buffer solution (pH 7.0): Dissolve 1.15g of anhydrous
potassium hydrogen phosphate and 0.47g of anhydrous potassium dihydrogen phosphate in 100mL of distilled water. The laboratory can also use the above buffer solutions that are commercially available.

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