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1 Subject content and scope of application
This standard specifies the technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of industrial 1,2-dichloroethane
Molecular formula: C 2 H 2 Cl 2
Relative molecular mass: 98.
2 Reference standards
GB190 dangerous goods packaging mark
Preparation of standard solution for GB/T601 chemical reagent titration analysis (volume analysis)
Preparation of preparations and products used in GB/T603 chemical reagent test method
The expression method and judgment method of GB/T1250 limit value
GB/T 2366 Determination of Water Content in Chemical Products by Gas Chromatography
GB/T3143 Liquid chemical product color determination method (Hazen unit-platinum-cobalt color number)
GB/T3723 General Rules for Sampling Safety of Industrial Chemical Products
GB/T4472 General Rules for the Determination of Density and Relative Density of Chemical Products
GB/T6678 General Rules for Sampling of Chemical Products
GB/T 6680 General Rules for Sampling of Liquefied Ding Products
3 Technical requirements
3.
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4 Test method
The reagents and water used in this standard, unless other requirements are specified, all use analytical reagents and distilled water, or water of equivalent purity
4.
4.
Use gas chromatography to determine the content of impurities in 1,2-dichloroethane with the internal standard method, and then subtract the total amount of all impurities and moisture from 100 to obtain the content of 1,2-dichloroethane.
4.
a.
b.
c.
d.
e.
f.