期刊
ANALYTICAL SCIENCES
卷 26, 期 4, 页码 515-518出版社
JAPAN SOC ANALYTICAL CHEMISTRY
DOI: 10.2116/analsci.26.515
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Solid phase extraction using a mini cartridge packed with 22 mg of chelate resin immobilizing carboxymethylated pentaethylenehexamine was successfully utilized for separation/preconcentration of cadmium in water samples prior to liquid electrode plasma atomic emission spectrometric (LEP-AES) determination. The combined method with the extraction and LEP-AES was applicable to the determination of cadmium in the certified reference materials (EU-L-1 wastewater and ES-L-1 groundwater); the detection limit was 0.20 mu g in 200 mL of sample solution (500-fold preconcentration).
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