- P-ISSN 1225-0163
- E-ISSN 2288-8985
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
Article Detail
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Determination of Chromium(VI) and Copper(II) in Organic Solvent - Solution by Liquid Core Optical Fiber Spectrophotometry
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.4, pp.457-460
Wang,
J., Fen,
M., Wei,
W., He,
Q., &
Wu,
G.
(1995). Determination of Chromium(VI) and Copper(II) in Organic Solvent - Solution by Liquid Core Optical Fiber Spectrophotometry. , 8(4), 457-460.
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Abstract
A new hollow fiber filled with the lower refractive index liquid as core constructs a liquid core optical fiber(LCOF). The LCOF have been used as colorimetric cell to determine elements Cr and Cu in the presence of 70%- 50% ethanol or 50% dioxane aqueous solution, based on colored complex of Chromium(VI) with Diphenycarbazid(DPC) and copper with Chromaurd S(CAS) respectively. The sensitivity (1/ng/ml) of calibration curve of Cr and Cu are 0.052, 0.017 over the range 0 - 25, 0 - 24(ng/ml) respectively. The Cr in the animal gum and Nation Standard of China are determined with recoveries of 94 - 102%.
- keywords
- Liquid core optical fiber, aqueous solution, Cr, Cu
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