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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 19, Number 6
JKCSEZ 19(6)
December 20, 1975

Title	Determination of Copper, Lead, Cadmium and Zinc in Water by Square Wave Polarography with Dithizone-Chloroform Extraction Method 디티존-클로로포름 추출, 단형파폴라로그래피에 의한 물중의 구리, 납, 카드뮴 및 아연의 정량
Author	Su-Chan Moon 문수찬
Keywords
Abstract	500 ml of a sample water was extracted with 10 ml of 0.01 % dithizone-CHCl3 three times. When CHCl3 layer was back extracted with 10 ml of 0.1 N HCl containing mercuric ion, the free metal ions come into aqueous layer. The aqueous layer was added with 2 ml of 2 N KCl and was washed with 10 ml of CHCl3 two times in order to remove the trace dithizone, and then was recorded square wave polarogram. The concentration of copper, lead and cadmium can be determined up to 3 ppb and that of zinc up to 14 ppb with an error of 10 %.
Page	428 - 433
Full Text	PDF

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