Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1496, Issue -, Pages 163-166Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2017.03.046
Keywords
Wet-strength agent; Polyamine epichlorohydrin; Chlorinated volatile organic compounds; Headspace gas chromatography
Funding
- Natural Science Foundation of China [21576105, 51409287]
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This study demonstrated a headspace gas chromatographic (HS-GC) method for the determination of residual epichlorohydrin (ECH) and the by-product 1,3-dichloro-2-propanol (DCP) in polyamine epichlorohydrin (PAE) solution. It was based on the vapor-liquid phase equilibrium of these analytes at 60 degrees C for 30 min in a closed headspace sample vial before GC measurement. It was found that matrix of the PAE solution had the effect on the headspace equilibrium of these species and therefore a standard addition must be applied in the method validation. The results showed that the present method has a good measurement precision (RSD < 2.90%) and accuracy (recoveries from 93.6 to 105%), and the limit of quantitation (LOQ) is 3.75 mg/L for ECH and 0.8 g/L for DCP. The present method is suitable to be used for analyzing the chlorinated volatile organic compounds in the commercial PAE resin solutions. (C) 2017 Elsevier B.V. All rights reserved.
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