Home / Standards / GB 12150-89 GB 12150-89 Analysis of water for boiler and cooling systems—Determination of silicon—Silicon molybdenum blue photometric method 锅炉用水和冷却水分析方法 硅的测定 硅钼蓝光度法 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A