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Fast field analysis of short‐chain aliphatic amines in water using solid‐phase microextraction and a portable gas chromatograph
Author(s) -
Lin Huaqing,
Deng Chunhui,
Zhang Xiangmin
Publication year - 2008
Publication title -
journal of separation science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.72
H-Index - 102
eISSN - 1615-9314
pISSN - 1615-9306
DOI - 10.1002/jssc.200800347
Subject(s) - solid phase microextraction , chromatography , ethylamine , chemistry , extraction (chemistry) , gas chromatography , propylamine , derivatization , detection limit , butylamine , derivative (finance) , amine gas treating , analytical chemistry (journal) , gas chromatography–mass spectrometry , high performance liquid chromatography , mass spectrometry , organic chemistry , financial economics , economics
A novel method is firstly presented for field and rapid analysis of short‐chain aliphatic amines in water as their pentafluorobenzaldehyde (PFBAY) derivative using solid‐phase microextraction (SPME) and portable GC. In the proposed method, short‐chain aliphatic amines in water rapidly reacted with PFBAY, and then were headspace extracted and concentrated by SPME. The formed amines derivatives were analyzed by portable GC. The SPME parameters of fiber selection, extraction temperature, extraction time, and stirring rate were studied. The method validations including LOD, recovery, precision, and linearity were studied. It was found that the proposed method required the whole analysis time 22 min, and provided low LOD of 1.2–4.6 ng/mL, good recovery of 91–106%, good precision of RSD value 3.5–9.3%, and linear range 20.0–500 ng/mL ( r 2 >0.99). The obtained results demonstrated that the SPME‐portable GC is a simple, rapid, and efficient method for the field analysis of short‐chain aliphatic amines. Finally, the proposed method was further applied to the quantification of ethylamine, propylamine, and butylamine in environmental water.