离子色谱法测定水汽中有机酸和无机阴离子

慕晓炜,张达光,陈皓,蒋春晓,梁琳琳,彭巧玲,曹顺安,钟杰

Determination of organic acids and inorganic anions in the steam by ion chromatography

Xiaowei Mu,Daguang Zhang,Hao Chen,Chunxiao Jiang,Linlin Liang,Qiaoling Peng,Shun'an Cao,Jie Zhong

表3 检测结果精密度

名称 测量值/（mg·L-1） RSD/% 1 2 3 4 5 6 7 平均值 乳酸 0.400 0.406 0.402 0.403 0.409 0.407 0.405 0.404 0.77 乙酸 0.394 0.402 0.400 0.405 0.395 0.395 0.404 0.399 1.2 丙酸 0.402 0.409 0.407 0.406 0.399 0.396 0.397 0.402 1.3 甲酸 0.411 0.414 0.402 0.408 0.402 0.398 0.409 0.406 1.4 丁酸 0.381 0.386 0.393 0.384 0.391 0.389 0.392 0.388 1.2 Cl- 0.410 0.403 0.405 0.400 0.411 0.416 0.402 0.407 1.4 SO42- 0.411 0.408 0.409 0.412 0.420 0.406 0.399 0.409 1.5 NO3- 0.397 0.399 0.402 0.411 0.399 0.399 0.403 0.401 1.2 PO43- 0.412 0.404 0.416 0.408 0.413 0.414 0.403 0.410 1.2