Home / Standards / GB/T 7717.9-1994 GB/T 7717.9-1994 Active Acrylonitrile for industrial use--Determination of content of total cyanides--Titrimetric method 工业用丙烯腈中总氰含量的测定 滴定法 Standard Type GBT ICS 71.080 CCS G17 Status 现行 Issue Date 1994-07-04 Implementation 1995-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A