HJ665-2013-水质氨氮的测定连续流动-水杨酸分光光度法.pdf

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1、中华人民共和国国家环境保护标准HJ665-2013水质氨氮的测定连续流动-水杨酸分光光度法Waterquality-Determinationofammoniumnitrogenbycontinuousflowanalysis(CFA)andSalicylicacidspectrophotometry（发布稿）本电子版为发布稿。请以中国环境科学出版社出版的正式标准文本为准。2013-10-25发布2014-01-01实施环境保护部发布目次前言...................................................................

2、...............................................................................II1适用范围........................................................................................................................................12规范性引用文件...........................................................

3、.................................................................13方法原理........................................................................................................................................14干扰和消除............................................................................

4、........................................................25试剂和材料....................................................................................................................................26仪器和设备........................................................................................

5、............................................47样品................................................................................................................................................48分析步骤............................................................................................

6、............................................49结果计算与表示............................................................................................................................510精密度和准确度.......................................................................................................

7、...................511质量保证和质量控制..................................................................................................................612注意事项............................................................................................................