期刊
FOOD CHEMISTRY
卷 172, 期 -, 页码 681-684出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2014.09.052
关键词
Liquor; Free cyanide; Ion chromatography; Pulsed amperometric detection
This study investigated the measurement of free cyanide in liquor by ion chromatography coupled with pulsed amperometric detection (IC-PAD). Eluent concentration, interferent evaluation and method performance were discussed. Results show that free cyanide in liquor can be rapidly determined by the optimised IC-PAD method. A sample requires only 1:100 dilution and simple filtration before being subjected to IC-PAD. The linear range is 1-5000 mu g/L with an R value of 0.9998. The detection limit is 1 mu g/L for a 25 mu L injection loop. The overall relative standard deviation (RSD) of the method is less than 5%, and the recovery range is from 98.1% to 105.0%. This study has been proven significant and may have potential applications in liquors analysis. (C) 2014 Elsevier Ltd. All rights reserved.
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