Stable schiff reagent

Details Stable schiff reagent Stable schiff reagent

1978-05-02

1980-05-06

Gron, Teddy S.

Compositions

Nonreactive analytical, testing, or indicating compositions

23230R, 23230B, 422 61, C09K 300, G01N 3122, G01N 3316

Patent

active

042016932

ABSTRACT:
A reagent for detection of aldehydes in biological specimens. The reagent is a modified Schiff reagent which is stable at room temperature for a substantial period of time. The reagent comprises potassium metabisulfite, pararosanilin acetate and hydrochloric acid. The potassium metabisulfite and pararosanilin acetate are included in the reagent in equal amounts. The sulfur dioxide source is potassium metabisulfite. The pH of the reagent ranges from about 1.2 to about 2.7.

REFERENCES:
patent: 2668797 (1954-02-01), Jones et al.
patent: 3945798 (1976-03-01), Young
Nauman, R. V., et al., Anal. Chem., vol. 32, No. 10, pp. 1307-1311 (1960).
Kramm, D. E., et al., Anal. Chem., vol. 27, No. 7, pp. 1076-1079 (1955).
Yoe, J. H., et al., Ind. Eng. Chem., Anal. Ed., vol. 13, No. 4, pp. 238-240 (1941).
Segal, L., Anal. Chem., vol. 23, No. 10, p. 1499 (1951).
Hoffpauir, C. L., et al., Ind. Eng. Chem., Anal. Ed., vol. 15, No. 9, pp. 605-606 (1943).
Blaedel, W. J., et al., Ind. Eng. Chem., Anal. Ed., vol. 13, No. 7, pp. 449-450 (1941).

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