Standard No.:	HG/T 3526-2003
English Name:	Industrial circulating cooling water-Determination of nitrite-Molecular absorption spectrometric method
Chinese Name:	工业循环冷却水中亚硝酸盐的测定---分光光度法
Chinese Classification:	G12    Inorganic salt
Professional Classification:	HG    Professional Standard - Chemistry
ICS Classification:	71.060.50 71.060.50    Salts 71.060.50
Source Content Issued by:	National Development and Reform Commission
Issued on:	2004-01-09
Implemented on:	2004-5-1
Status:	valid
Superseded by:	HG/T 3526-2011 Industrial circulating cooling water determination of nitrate-Spectrophotometric method using sulfosalicylic acid
Superseding:	HG/T 3526-1985
Target Language:	English
File Format:	PDF
Delivery:	via email in 1~3 business day

本标准规定了工业循环冷却水中亚硝酸盐的测定方法分光光度法。本标准适用于工业循环冷却水亚硝酸盐含量在0.062mg/L~0.25mg/L的测定。也适用于饮用水、生活用水和废水中的亚硝酸盐的测定。