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Industrial Acrylonitrile—Determination of Acidity, pH and Titration (1)

 Last Update: 2022-01-12
 Source: Internet
 Author: User

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1 Scope

This section specifies the methods for determining the acidity, pH and titration of acrylonitrile for industrial use

This section applies to the determination of the acidity, pH and titer of acrylonitrile for industrial use: the minimum detection concentration of acidity is 1 mg/kg ( calculated as acetic acid )

2 Normative references

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

Preparation of GB/T601 Chemical Reagent Standard Titration Solution

Preparation of preparations and products used in GB/T603 chemical reagent test method

GB/T3723 General Rules for Sampling Safety of Industrial Chemical Products (GB/T3723-1999, idt ISO3165:1976)

GB/T6678 General Rules for Sampling of Chemical Products

GB/T6680 General Rules for Sampling of Liquid Chemical Products

GB/T6682 Analytical laboratory water specifications and test methods (GB/T6682-2008, ISO3696:1987, MOD)

GB/T8170 Numerical rounding rules

GB/T9724 General rules for the determination of pH value of chemical reagents

3 Security

4 Method summary

Related links: Determination of trace moisture in industrial fluoroalkanes (4)

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