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Simultaneous spectrophotometric determination of trace amount of malachite green and crystal violet in water after cloud point extraction using partial least squares regression

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成果类型:
期刊论文
作者:
An, Lin;Deng, Jian*;Zhou, Liang;Li, Hui;Chen, Fei;...
通讯作者:
Deng, Jian
作者机构:
[Liu, Yating; Chen, Fei; An, Lin; Wang, Hui; Li, Hui; Deng, Jian] Univ S China, Sch Chem & Chem Engn, Hengyang 421001, Hunan, Peoples R China.
[Zhou, Liang] Univ S China, Sch Publ Hlth, Hengyang 421001, Hunan, Peoples R China.
通讯机构:
[Deng, Jian] U
Univ S China, Sch Chem & Chem Engn, Hengyang 421001, Hunan, Peoples R China.
语种:
英文
关键词:
Cloud point extraction;Crystal violet;Malachite green;Partial least squares regression;Spectrophotometry
期刊:
Journal of Hazardous Materials
ISSN:
0304-3894
年:
2010
卷:
175
期:
1-3
页码:
883-888
基金类别:
Hunan Technology Department, China [2007FJ4152]
机构署名:
本校为第一且通讯机构
院系归属:
化学化工学院
公共卫生学院
摘要:
In this work, a new method has been proposed to simultaneously determine the trace amount of malachite green and crystal violet from aqueous solution by spectrophotometry after cloud point extraction (CPE) using partial least squares regression. The optimal extraction and operating conditions, such as pH, reagents concentration and effect of time and temperature, and so on, have been investigated using the non-ionic surfactant Triton X-114. The maximum absorption wavelength for malachite green and crystal violet is 624 and 579 nm, respectively;linearity is obeyed in the range of 9.9-800 and 16...

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