This document specifies the gas chromatography-pulse discharge helium ionization detection (GC-PDHID) and gas chromatography-mass spectrometry (GC- MS) and gas chromatography-thermal conductivity detection (GC-TCD) methods and principles, reagents and materials, instruments and equipment, measurement steps, etc. This document is applicable to the purity determination of perfluoroisobutyronitrile fresh gas for electrical equipment. The gas purity determination during operation can be used as a reference.
T/CEC 673.1-2022 history
2022T/CEC 673.1-2022 Perfluoroisobutyronitrile Gas Purity Test Method Part 1: Gas Chromatography