Method for the determination of an amino or aminosulphonic acid

Details Method for the determination of an amino or aminosulphonic acid Method for the determination of an amino or aminosulphonic acid

1979-11-08

1981-06-30

Turk, Arnold

Chemistry: physical processes

Physical processes

Crystallization

23903, G01N 3368

Patent

active

042760496

ABSTRACT:
Method for the determination of an amino benzoic acid or aminosulphonic acid in urine, plasma or serum. The method consists essentially in reacting a urine, plasma or serum sample with a compound of the 4-phenyl-spiro[furan-2(3H)1'-phthalan]-3,3'-dione type or with a compound of the 2-methoxy-2,4-diphenyl-3(2H)-furanone type or with o-phthaldialdehyde and subsequently carrying out a photometric measurement.

REFERENCES:
patent: 3745212 (1973-07-01), Benneville et al.
patent: 3871825 (1975-03-01), Leimburger et al.
patent: 3892530 (1975-07-01), Felix et al.
patent: 3933430 (1976-01-01), Hare
patent: 3969373 (1976-07-01), Cleeland, Jr. et al.
Reeder et al., Chem. Abstr. 89 (1978), 19514e.
Benson et al., Chem. Abstr. 82 (1975), 149032n.

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