GB/T 14827-1993 Organic chemical products for industrial use. Test method for the determination of acidity and alkalinity. Volumetric method (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 14827-1993
Scope
This standard specifies the test methods for the determination of acidity and alkalinity of organic chemical products by volumetric analysis. This standard is applicable to the determination of the content of acid or alkaline substances in the form of impurities in organic chemical products. The content is called acidity or alkalinity. When using this standard to determine the acidity and alkalinity of organic chemical products, the titration volume of the alkali standard titration solution or acid standard titration solution used shall not be less than 0.01mL.
GB/T 14827-1993 history
1993GB/T 14827-1993 Organic chemical products for industrial use. Test method for the determination of acidity and alkalinity. Volumetric method