Journal of the Japan Society of Colour Material
Online ISSN : 1883-2199
Print ISSN : 0010-180X
ISSN-L : 0010-180X
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Determination of Chromium (VI) in Ink of Ink Jet Printer
Akihiro MATSUMOTOToshitsugu KOBATAHisaji TANIGUCHI
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2010 Volume 83 Issue 1 Pages 9-12

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Abstract

A simple, fast and selective method for determination of chromium (VI) in ink of chromium (III) complex dye is described. The proposed method is based on anion-exchange solid-phase extraction, in which chromium (VI) was separated after shaking for 1 min from the mixture of MIBK of the ink and a 20 mL of 0.1 and 8M nitric acid at room temperature. Under the optimized experimental conditions, chromium (VI) of black and red ink samples was determined by ICP-AES, and the recoveries for chromium (VI) were 104 and 107%, respectively. This method is applicable to extract only chromium (VI) from chromium (III) matrix such as chromium complex dye.

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© 2010 Japan Society of Colour Material
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