Industrial Acrylonitrile—Determination of Copper Content Graphite Furnace Atomic Absorption Method (1)

1 Scope

This section specifies the graphite furnace atomic absorption method for the determination of copper content in industrial acrylonitrile

This section applies to the determination of trace copper in acrylonitrile , with the determination range (0.

This section is not intended to explain all the safety issues related to its use.

2 Normative references

The clauses in the following documents become clauses of this part after being quoted in this part of GB/T7717

Preparation of GB/T 602 Standard Solution for Impurity Determination of Chemical Reagents

GB/T 3723 General Rules for Sampling Safety of Industrial Chemical Products (GB/T3723-1999, idt ISO 3165:1976)

GB/T 6680 General Rules for Sampling of Liquid Chemical Products

GB/T 6682 Analytical laboratory water specifications and test methods (GB/T6682-2008, ISO 3696:1987, MOD)

GB/T 8170 Numerical Rounding Rules and the Expression and Judgment of Limit Values

3 Method summary

Dilute the sample of acrylonitrile to be tested and ethanol in a volume ratio of 1:4 and then inject the sample.

4 Reagents and materials

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5 Instruments

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6 sampling

Take samples according to the technical requirements specified in GB/T3723 and GB/T6680

Related Links: Industrial Acrylonitrile-Determination of Iron Content Graphite Furnace Atomic Absorption Method (2)