Home / Standards / GB/T 6904-2008 GB/T 6904-2008 Active Water used in industrial circulating cooling system and boiler - Determination of pH 工业循环冷却水及锅炉用水中pH的测定 Standard Type GBT ICS 71.040.40 CCS G76 Status 现行 Issue Date 2008-04-01 Implementation 2008-09-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A