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1 Scope
This standard specifies the requirements, sampling, test methods, marking, packaging, transportation and storage of a 40% aqueous solution prepared from dimethylamine
This standard applies to a 40% aqueous solution prepared from dimethylamine produced by the continuous gas-phase catalytic ammoniation of methanol .
Molecular formula: (CH 3 ) 2 NH
Relative molecular mass: 45.
2 Reference standards
The provisions contained in the following standards constitute the provisions of this standard through quotation in this standard
GB190-1990 Dangerous Goods Packaging Mark
GB/T325-1991 Packaging Container Steel Drum
GB/T6678-1986 General Rules for Sampling of Chemical Products
GB/T6680-1986 General Rules for Sampling of Liquid Chemical Products
GB/T1250-1989 The method of expressing and judging the limit value
HG/T2971-1999 Industrial methylamine aqueous solution test method
Railway Dangerous Goods Transportation Management Regulations Ministry of Railways Rail Transport (1995) No.
3 requirements
3.
3.
Table 1 Quality requirements of industrial 40% dimethylamine aqueous solution
4 sampling
4.
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