Chemistry: analytical and immunological testing – Metal or metal containing – Present in biological fluids
Patent
1991-01-29
1994-05-03
Stoll, Robert L.
Chemistry: analytical and immunological testing
Metal or metal containing
Present in biological fluids
436 81, 436178, G01N 3320
Patent
active
H00013102
ABSTRACT:
A process for measuring low levels of cadmium in blood and other biological specimens is provided without interference from high levels of alkali metal contaminants by forming an aqueous solution and without contamination by environmental cadmium absent the proteins from the specimen, selectively removing cadmium from the aqueous solution on an anion exchange resin, thereby removing the alkali metal contaminants, resolubilizing cadmium from the resin to form a second solution and analyzing the second solution for cadmium, the process being carried out in a cadmium-free environment.
REFERENCES:
patent: 4080171 (1978-03-01), Sano et al.
"Simultaneous determination of lead and cadmium in blood and urine by coupling ion exchange resin chromatography and atomic absorption spectrophotometry", Arch, Mal. Prof., 1972, 33 No. 3, Mar.
Korkisch, J. et al., Talanta, vol. 21, No. 10, pp. 1035-1046 (1974).
Hayashita, T. et al., "Extractive Permeation of Zinc(II) and Cadmium(II) Chloride Complexes through Anion-Exchange Membrane" Bulletin Chemical Society of Japan, vol. 63, pp. 576-580 (1990).
Westerlund-Helmerson, "Determination of Lead and Cadmium in Blood by a Modification of the Hessel Method" Atomic Absorption Newsletter, vol. 9, pp. 133-134 (1970).
Borin, L. L. et al., "Calculation of the activities of resinates in systems with sorption of metal complexes by anion exchangers" Chemical Abstracts, vol. 98, abstract 96236d (1983).
Asambadze, G. et al., "Polarographic study of the kinetics of anion exchange of chloride complexes of zinc and cadmium" Chemical Abstracts, vol. 72, abstract 32831z (1970).
Chen, H., "Analytical characteristics of zincon-loaded resin and its applications" Chemical Abstracts, vol. 114, abstract 156141e (1991).
Bhattacharyya Maryka H.
Huff Edmund A.
Peterson David P.
Anderson Thomas G.
Anthony Joseph D.
Moser William R.
Stoll Robert L.
The United States of America as represented by the United States
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