China 'GB/T 6912.1-2006
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 6912.1-2006
Methods for analysis of water for boiler and for cooling determination of nitrates and nitrites - Part 1: Ultraviolet spectrophotometry for nitrates 锅炉用水和冷却水分析方法 硝酸盐和亚硝酸盐的测定 第1部分：硝酸盐紫外光度法
Issued Date:2006-09-01
Implemented Date:2007-02-01
Issued by:
The Standardization Administration of the People's Republic of China
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