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1 Scope
This standard specifies the determination method for non-volatile residues in butadiene for industrial use
This standard applies to the determination of non-volatile residues in industrial butadiene with a content greater than 3mg/kg
2 reference standards
The provisions contained in the following standards constitute provisions of this standard through reference in this standard
GB/T3723-1983 General rules for the sampling safety of industrial chemical products (eqv ISO 3165:1976)
GB/T8170-1987 Numerical Rounding Rules
GB/T13290-1991 Industrial internal ene and butadiene liquid sampling method
3 Method summary
Take a certain amount of butadiene sample and evaporate to dryness in a constant weight beaker at room temperature, and then dry it to constant weight at 105°C.
4 Apparatus and materials
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5 sampling
Take samples according to the relevant regulations of GB/T3723 and GB/T13290