Home / Standards / GB/T 37905-2019 GB/T 37905-2019 Active Reclaimed water quality—Determination of chromium—Voltammetry and polarography 再生水水质 铬的测定 伏安极谱法 Standard Type GBT ICS 13.060.50;71.040.40 CCS G76 Status 现行 Issue Date 2019-08-30 Implementation 2020-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A