Methods for analysis of water for boiler and for cooling—Determination of nitrates and nitrites—Part 1:Ultraviolet spectrophotometry for nitrates
西安热工研究院有限公司
GB/T 6912的本部分规定了锅炉用水和冷却水中硝酸根含量的测定方法。
本部分适用于锅炉用水和冷却水中硝酸根含量(0~40) mg/L水样的测定。
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