General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
Latest
GB/T 7717.7-1994
Replace
GB/T 7717.7-1987
Scope
This standard specifies the determination of water content in industrial acrylonitrile by Karl Fischer method and gas chromatography. This standard is applicable to the determination of water content in acrylonitrile for industrial use. Karl Fischer method is applicable to samples with water content greater than 0.001% (m/m), and gas chromatography is applicable to samples with water content greater than 0.005% (m/m). of samples. The Karl Fischer method is the arbitration method.
GB/T 7717.7-1994 history
1994GB/T 7717.7-1994 Acrylonitrile for industrial use-Determination of content of water