Modified mesoporous silica materials for on-line separation and preconcentration of hexavalent chromium using a microcolumn coupled with flame atomic absorption spectrometry

Analytica Chimica Acta

Volumn 725, Issue , 2012, Pages 81-86

  Wang, Zheng ^a   Fang, Dong Mei ^a,b   Li, Qing ^a,b   Zhang, Ling Xia ^a   Qian, Rong ^a   Zhu, Yan ^a   Qu, Hai Yun ^a   Du, Yi Ping ^b  

^a SHANGHAI INSTITUTE OF CERAMICS   (China)

^b EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

Flame atomic absorption spectrometry; Hexavalent chromium; Modified mesoporous silica; Solid phase extraction; Trivalent chromium

Indexed keywords

FLAME ATOMIC ABSORPTION SPECTROMETRY; HEXAVALENT CHROMIUM; MESOPOROUS SILICA; SOLID-PHASE EXTRACTION; TRIVALENT CHROMIUM;

ATOMIC ABSORPTION SPECTROMETRY; CHROMIUM; CHROMIUM COMPOUNDS; OPTIMIZATION; SORPTION; TRACE ANALYSIS; TRANSMISSION ELECTRON MICROSCOPY;

LOADING;

3 AMINOPROPYLTRIETHOXYSILANE; ALUMINUM; AMMONIA; CALCIUM; CHLORIDE; CHROMIUM; COPPER; LEAD; MAGNESIUM; PHOSPHATE; RIVER WATER; SILICON DIOXIDE; SULFATE; WATER; ZINC;

ACCURACY; ARTICLE; ATOMIC ABSORPTION SPECTROMETRY; CONCENTRATION (PARAMETERS); CONTROLLED STUDY; ELUTION; FLOW RATE; INFRARED SPECTROSCOPY; LIMIT OF DETECTION; ONLINE SYSTEM; PH; POROSITY; PRIORITY JOURNAL; PROCESS OPTIMIZATION; RAMAN SPECTROMETRY; SOLID PHASE EXTRACTION; SYNTHESIS; TRANSMISSION ELECTRON MICROSCOPY; WASTE WATER; WATER ANALYSIS;

CHROMIUM; FLOW INJECTION ANALYSIS; HYDROGEN-ION CONCENTRATION; HYDROXIDES; MICROSCOPY, ELECTRON, TRANSMISSION; SILANES; SILICON DIOXIDE; SOLID PHASE EXTRACTION; SPECTROPHOTOMETRY, ATOMIC; SPECTROSCOPY, FOURIER TRANSFORM INFRARED; WATER; WATER POLLUTANTS, CHEMICAL;

EID: 84859874931     PISSN: 00032670     EISSN: 18734324     Source Type: Journal    
DOI: 10.1016/j.aca.2012.03.005     Document Type: Article

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