Method of analyzing an aqueous liquid for hexacyanoferrates

Details Method of analyzing an aqueous liquid for hexacyanoferrates Method of analyzing an aqueous liquid for hexacyanoferrates

1981-09-28

1983-04-12

Marcus, Michael S.

Chemistry: analytical and immunological testing

Metal or metal containing

Mn, te, re, fe, ru, os, co, rh, ir, ni, pd, pt

436109, 436 53, 422 82, G01N 3122

Patent

active

043798489

ABSTRACT:
Colorimetric analysis for the presence or concentration of hexacyanoferrates in an aqueous liquid is carried out by forming a colored indicator compound which is soluble therein. The analysis is based on the use of a cobaltic complex of tris-1,10-phenanthroline or tris-2,2'-bipyridyl as an analytical reagent.

REFERENCES:
Chemical Abstracts, vol. 94, 1981, No. 128425a.
Nebergall, William H. et al., General Chemistry, D. C. Heath and Co., Lexington, Mass., 1972, pp. 229, 901.
Chemical Abstracts, vol. 85, 1976, p. 474, Abstract No. 85:28154g, Yogo et al., "Spectrophotometric Determination of Ferro- and Ferricyanide Ions with 1,10-phenanthroline".
Chemical Abstracts, vol. 73, 1970, p. 212, Abstract No. 69609e, Vail et al., "Photometric Determination of Ferrocyanides".
American Cyanamid Company, Cyanamid's Nitrogen Chemicals Digest, N.Y., 1953, vol. VII, The Chemistry of the Ferrocyanides, p. 48.
Cotton and Wilkinson, Advanced Inorganic Chemistry, N.Y., Interscience Publishers, 1966, pp. 860-861.
Chemical Abstracts, vol. 88, 1978, p. 619, Abstract No. 88:98638d, Meditsch, "Semiquantitative Determination of Ferrocyanides".
Chemical Abstracts, vol. 78, 1978, p. 252, Abstract No. 140022u, Abramkina et al., "Determination of Ferro- and Ferricyanides in Waste Waters of the Leningrad Motion Picture Copying Plant".

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