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离子色谱法测定水汽中有机酸和无机阴离子

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

Industrial Water Treatment（2019）

Cited 3|Views5
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Abstract
提出了采用离子色谱法同时检测热力系统水汽中的甲酸、乙酸、丙酸、丁酸、乳酸及无机阴离子.选用IonPac AS11-HC阴离子分析柱对样品进行分离,并用KOH溶液作为淋洗液进行梯度淋洗.研究表明,9种组分的质量浓度在0.05～0.8 mg/L范围内呈线性,方法检出限为0.009～0.02 mg/L,各组分测量值精密度为0.77%～1.50%.采用该方法测定腐殖酸的高温分解水样,并进行实际样品回收率试验,测得回收率在85.0%～110%.
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