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1、中華人民共和國國家環(huán)境保護標準HJ665-2013水質(zhì)氨氮的測定連續(xù)流動-水楊酸分光光度法Waterquality-Determinationofammoniumnitrogenbycontinuousflowanalysis(CFA)andSalicylicacidspectrophotometry(發(fā)布稿)本電子版為發(fā)布稿。請以中國環(huán)境科學(xué)出版社出版的正式標準文本為準。2013-10-25發(fā)布2014-01-01實施環(huán)境保護部發(fā)布目次前言..................................
2、................................................................................................................II1適用范圍........................................................................................................................................12
3、規(guī)范性引用文件............................................................................................................................13方法原理........................................................................................................................
4、................14干擾和消除....................................................................................................................................25試劑和材料...............................................................................................
5、.....................................26儀器和設(shè)備....................................................................................................................................47樣品.............................................................................
6、...................................................................48分析步驟........................................................................................................................................49結(jié)果計算與表示.......................................
7、.....................................................................................510精密度和準確度..........................................................................................................................511質(zhì)量保證和質(zhì)量控制............................
8、......................................................................................612注意事項............................................................................................................