Rapid determination of seven inorganic anions in water by high pressure ion chromatography

Authors

LI Qian-ying, Guangzhou Inspection and Certification Group Co., Ltd., Guangzhou, Guangdong 510000, China;National Centre for Quality Inspection of Processed Food, Guangzhou， Guangdong 510000, China
HUANG Shao-man, Guangzhou Inspection and Certification Group Co., Ltd., Guangzhou, Guangdong 510000, China;National Centre for Quality Inspection of Processed Food, Guangzhou， Guangdong 510000, China
CHEN Jing-zhou, Guangzhou Inspection and Certification Group Co., Ltd., Guangzhou, Guangdong 510000, China;National Centre for Quality Inspection of Processed Food, Guangzhou， Guangdong 510000, China
LIANG Zhi-sen, Guangzhou Inspection and Certification Group Co., Ltd., Guangzhou, Guangdong 510000, China;National Centre for Quality Inspection of Processed Food, Guangzhou， Guangdong 510000, China

Abstract

Objective: To establish a method for the rapid determination of seven kinds of inorganic anions in water by high pressure ion chromatography（HPIC）, including fluoride ion, chloride ion, bromide ion, nitrate ion, sulfate ion, chlorite ion and chlorate ion. Methods: Dionex Integrion high pressure ion chromatography and Ionpac AS19 analytical column were used. Under the conditions of KOH eluent concentration of 20 mmol/L and flow rate of 2.00 mL/min, the content of seven inorganic anions in water was determined by inhibition conductivity detector. Results: The results showed that seven kinds of inorganic anions could be separated within 7 min. The linear correlation coefficient of this method was ≥0.999, the relative standard deviation was less than 2%, and the recovery of seven kinds of inorganic anions were 95.3%~105.8%. Conclusion: This method has the advantages of simplicity, rapidity, accuracy, sensitivity, environmentally friendly and high efficiency, which was suitable for the rapid determination of seven inorganic anions in water quality analysis.

Publication Date

8-28-2021

First Page

77

Last Page

81

DOI

10.13652/j.issn.1003-5788.2021.08.012

Recommended Citation

Qian-ying, LI; Shao-man, HUANG; Jing-zhou, CHEN; and Zhi-sen, LIANG (2021) "Rapid determination of seven inorganic anions in water by high pressure ion chromatography," Food and Machinery: Vol. 37: Iss. 8, Article 12.
DOI: 10.13652/j.issn.1003-5788.2021.08.012
Available at: https://www.ifoodmm.cn/journal/vol37/iss8/12

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