DB34/T 4300-2022 水质 N,N-二甲基甲酰胺的测定 高效液相色谱法

ICS13.060.50

CCSZ16

34

安徽省地方标准

DB34/T4300—2022

水质N,N-二甲基甲酰胺的测定高效液相

色谱法

Waterquality—DeterminationofN,N-dimethylformamide—Highperformance

liquidchromatography

2022-10-26发布2022-11-26实施

安徽省市场监督管理局发布

DB34/T4300—2022

目次

前言.................................................................................II

1范围...............................................................................3

2规范性引用文件.....................................................................3

3术语和定义.........................................................................3

4方法原理...........................................................................3

5干扰和消除.........................................................................3

6试剂和材料.........................................................................3

7仪器和设备.........................................................................4

8样品的采集、保存和制备.............................................................4

8.1样品的采集和保存...............................................................4

8.2样品的制备.....................................................................4

9分析步骤...........................................................................4

9.1液相色谱参考分析条件...........................................................4

9.2校准曲线的绘制.................................................................4

9.3试样测定.......................................................................5

9.4空白试验.......................................................................5

10结果计算与表示....................................................................5

10.1定性分析......................................................................5

10.2定量分析......................................................................5

10.3结果表示......................................................................5

11精密度和正确度....................................................................5

11.1精密度.........................................................