Selectivity improvement for lithium ion tests

Details Selectivity improvement for lithium ion tests Selectivity improvement for lithium ion tests

1989-08-03

1990-11-06

Warden, Robert J.

Chemistry: analytical and immunological testing

Metal or metal containing

Li, na, k, rb, cs, fr, be, mg, ca, sr, ba, ra

436 74, 436169, 422 56, 422 68, G01N 2100

Patent

active

049686305

ABSTRACT:
A method and apparatus for determining lithium ion concentrations in an aqueous sample are provided wherein the selectivity is improved by the addition of orotic acid. The orotic acid precipitates sodium and potassium ions which can interfere with the lithium ion determination.

REFERENCES:
Fedorov, N. A., "Levels of free pyrimidines and purines in rat liver and incorporation of carbon-14 labeled sodium bicarbonate into these compounds under the action of a single Intraperitoned injection of orotic acid", Vop. Med. Khim., 17(3), pp. 260-263, 1971.

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