用简单化学方法鉴别和定量腐蚀胺

S. Murugesan, Radhika Suresh, V. Khabashesku, Qusai A. Darugar
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引用次数: 0

摘要

本文提出了一种新的方法,通过一个简单的化学过程来区分和量化伯胺的数量。有色环加合物是由选择性化学物质与伯胺反应形成的。这种加合物的形成有利于伯胺,即使在仲胺和叔胺的混合物存在下也是如此。在420 nm的比激发下,加合物在475 nm波长处表现出选择性增强的荧光发射。由于荧光活性增强,定量成为可能,甚至低于1 ppm浓度的特定伯胺。用不同浓度的伯胺、仲胺和叔胺的混合物配制的化学基质有助于区分和量化混合物中存在的伯胺,即使浓度较低。该方法在现场合成盐水条件下进行了验证,可用于现场应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Differentiation and Quantification of Corrosive Amines Through Simple Chemical Process
A new method has been developed to differentiate and quantify the amount of primary amines through a simple chemical process. Colored cyclic adduct compounds are formed by reaction of selective chemicals with primary amine. This adduct formation is preferential to the primary amine, even in the presence of a mixture of secondary and tertiary amines. The adduct shows selective enhanced fluorescence emission at 475-nm wavelength under specific excitation with 420 nm. Due to enhanced fluorescence activity, quantification becomes possible, even below a 1-ppm concentration of specific primary amine. A chemical matrix, formulated with the mixture of different concentrations of primary, secondary and tertiary amines, helps to differentiate and quantify primary amines present in the mixture, even at lower concentrations. This method is validated under synthetic field brine conditions to detect and quantify primary amines towards field applications.
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