1. Determination of chlorinated volatile organic compounds in polyamine epichlorohydrin solution by headspace gas chromatography.
- Author
-
Yan N, Wan XF, Chai XS, and Chen RQ
- Subjects
- Limit of Detection, Solutions chemistry, alpha-Chlorohydrin analogs & derivatives, alpha-Chlorohydrin analysis, Chromatography, Gas, Epichlorohydrin analysis, Polyamines chemistry, Volatile Organic Compounds analysis
- Abstract
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°C for 30min 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 3.75mg/L for ECH and 0.8g/L for DCP. The present method is suitable to be used for analyzing the chlorinated volatile organic compounds in the commercial PAE resin solutions., (Copyright © 2017 Elsevier B.V. All rights reserved.)
- Published
- 2017
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