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1、中華人民共和國(guó)國(guó)家環(huán)境保護(hù)標(biāo)準(zhǔn)HJ665-2013水質(zhì)氨氮的測(cè)定連續(xù)流動(dòng)-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(qǐng)以中國(guó)環(huán)境科學(xué)出版社出版的正式標(biāo)準(zhǔn)文本為準(zhǔn)。2013-10-25發(fā)布2014-01-01實(shí)施環(huán)境保護(hù)部發(fā)布目次前言......................................................................
2、............................................................................II1適用范圍........................................................................................................................................12規(guī)范性引用文件.................................................................
3、...........................................................13方法原理........................................................................................................................................14干擾和消除.....................................................................................
4、...............................................25試劑和材料....................................................................................................................................26儀器和設(shè)備....................................................................................................
5、................................47樣品................................................................................................................................................48分析步驟...........................................................................................................
6、.............................49結(jié)果計(jì)算與表示............................................................................................................................510精密度和準(zhǔn)確度.........................................................................................................................
7、.511質(zhì)量保證和質(zhì)量控制..................................................................................................................612注意事項(xiàng)............................................................................................................
