Method, composition and test strip for colorimetric analysis of

Details Method, composition and test strip for colorimetric analysis of Method, composition and test strip for colorimetric analysis of

1980-04-15

1981-12-01

Turk, Arnold

Chemistry: physical processes

Physical processes

Crystallization

23904, 23932, 252408, 422 56, G01N 3352, G01N 3382

Patent

active

043034098

ABSTRACT:
A system composed of a complex of a chelating agent with a polyvalent metal ion in its higher valency, an indicator capable of reacting with said metal ion in its lower valency and a buffering agent is disclosed as a composition and a test strip useful for colorimetric analysis of ascorbic acid present in body fluid.

REFERENCES:
patent: 3104209 (1963-09-01), Scott
patent: 3266868 (1966-08-01), Harvill
patent: 3282649 (1966-11-01), Bittner
patent: 3411887 (1968-11-01), Ku
patent: 3954412 (1976-05-01), Ogawa et al.

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