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Standard
| HJ 550-2009 Water quality - Determination of cobalt - 5-CI-PADAB spectrophotometry (English Version) |
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Detail of HJ 550-2009
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Introduction of HJ 550-2009
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。
Contents of HJ 550-2009