SL/T 788.1-2019
第1部分 水质总氮的测定
Water quality—Determination of total nitrogen ICS IX Mt Z16
2019-11-06 发布
2020-02-06 实施
目 次
1 范围 ........................................... 3
2規范性引用文件...........................................3
3 方法原理............................................... 3
4试剂与材料.............................................3
5仪器设备..............................................4
6样品采集................................................4
6.样品.............................................. 4
6.2样品保存...........................................5
7分析步骤 ............................................ 5
7.1 样品干扰的消除 ..................................... 5
7.2仪器条件...........................................5
7.2.1 仪器调式.................................... 5
7.2.2 灵敏度和噪音检查...........................5
7.3 标准曲线绘制..........................5
7.4样品分析...........................................5
7.5 注意事项........................................6