Standard No.:	HJ 550-2009
English Name:	Water quality - Determination of cobalt - 5-CI-PADAB spectrophotometry
Chinese Name:	水质 总钴的测定 5-氯-2-(吡啶偶氮)-1，3-二氨基苯分光光度法（暂行）
Chinese Classification:	Z16    Analysis methods for toxic substances in water
Professional Classification:	HJ    Professional Standard - Environment
Issued by:	Ministry of Environmental Protection
Issued on:	2009-12-31
Implemented on:	2010-4-1
Status:	superseded
Superseded by:	HJ 550-2015 Water quality - Determination of cobalt - 5-CI-PADAB Spectrophotometry
Superseded on:	2015-7-1
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	344.00
Delivery:	via email in 1~3 business day

本标准规定了测定水中总钴的5-氯-2-(吡啶偶氮)-1,3-二氨基苯分光光度法。
本标准适用于地表水、地下水、工业废水和生活污水中总钴的测定。不经预富集,当取样体积为10ml,方法检出限为0.007mg/L,测定下限为0.02mg/L,测定上限为0.16mg/L。
经预富集后,方法检出限可降低50倍。