水质氨氮的测定流动注射水杨酸分光光度法

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1、中华人民共和国国家环境保护标准HJ666-2013水质氨氮的测定流动注射-水杨酸分光光度法Waterquality-Determinationofammoniumnitrogenbyflowinjectionanalysis(FIA)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、...............................................................................................................................15试剂和材料.................................................................................................................................

5、.26仪器和设备..................................................................................................................................27样品.........................................................................................................................

6、.....................38分析步骤......................................................................................................................................39结果计算与表示.............................................................................................

7、.............................310精密度和准确度..........................................................................................................................411质量保证和质量控制..........................................................................................

8、.........................412注意事项...............................................................................................................................