Home / Standards / GB/T 14420-2024 GB/T 14420-2024 Active 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 G 76 Status 现行 Issue Date 2024-07-24 Implementation 2025-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A