Calcium assay

Chemistry: analytical and immunological testing – Metal or metal containing – Present in biological fluids

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8636, 422 61, 436 79, 549 33, G01N 3384

Patent

active

043821227

ABSTRACT:
The stability of a reagent comprising an aqueous solution of a phenolsulphonephthalein dye is enhanced by the presence of a weak acid in the reagent.

REFERENCES:
patent: 3095277 (1963-06-01), Free et al.
patent: 3310362 (1967-03-01), Fiess
patent: 3754865 (1973-08-01), Gindler
patent: 3934977 (1976-01-01), Cleaver
Chang, Chem. Abstr., vol. 79, 1973, No. 118033x.
Gindler et al., Chem. Abstr., vol. 78, 1973, No. 25984x.

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