Home / Standards / GB/T 23840-2009 GB/T 23840-2009 Active Inorganic chemical products - General rules for potentiometric titration 无机化工产品 电位滴定法通则 Standard Type GBT ICS 71.060.01 CCS G10 Status 现行 Issue Date 2009-05-18 Implementation 2010-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A