Home / Standards / GB/T 29643-2013 GB/T 29643-2013 Active Sodium hydroxide for industrial use - Laboratory sample - Preparation of the main solution for carrying out certain determinations 工业用氢氧化钠 实验室样品和进行项目测定用主溶液的制备 Standard Type GBT ICS 71.060.40 CCS G11 Status 现行 Issue Date 2013-09-06 Implementation 2014-01-31 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A