在其他羧酸存在下，用气相色谱法定量测定次氮基三乙酸。
Quantitative gas chromatographic determination of nitrilotriacetic acid in the presence of other carboxylic acids.
作者信息
Larson R A, Weston J C, Howell S M
出版信息
J Chromatogr. 1975 Aug 20;111(1):43-9. doi: 10.1016/s0021-9673(01)80144-8.
PMID:1159005
Abstract
Nitrilotriacetic acid was separated (as its tri-n-butyl ester) from twenty-four other fatty, phenolic and polycarboxylic acids, using prepacked commercial OV-210 columns. Quantitative analysis down to 0.010 mg nitrilotriacetic acid per liter was demonstrated. The molar responses and retention times of the acids, relative to phthalic acid, were determined.
摘要
使用预填充的商用OV - 210柱，从其他24种脂肪酸、酚酸和多元羧酸中分离出次氮基三乙酸（以其三正丁酯形式）。已证明可进行低至每升0.010毫克次氮基三乙酸的定量分析。测定了这些酸相对于邻苯二甲酸的摩尔响应值和保留时间。
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