Home / Standards / GB/T 14420-2014 GB/T 14420-2014 Abolished Analysis of water used in boiler and cooling system―Determination of chemical oxygen demand―Rapid method with potassium dichromate 锅炉用水和冷却水分析方法 化学耗氧量的测定 重铬酸钾快速法 Standard Type GBT ICS 13.060.50;71.040.40 CCS G76 Status 废止 Issue Date 2014-07-08 Implementation 2014-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A