Pellet process for the detection of formaldehyde and/or glutaral

Details Pellet process for the detection of formaldehyde and/or glutaral Pellet process for the detection of formaldehyde and/or glutaral

1983-02-17

1986-05-13

Turk, Arnold

Chemistry: analytical and immunological testing

Oxygen containing

Carbonyl, ether, aldehyde or ketone containing

422 61, 436128, 436166, G01N 2178

Patent

active

045886962

ABSTRACT:
A kit containing three tablets is used in a process for testing for formaldehyde and/or glutaraldehyde in a sensitive, rapid, and simple manner that is practical even when glucose is present. A first tablet containing citrus acid and glycine hydrochloride (or like buffer and strong acid, respectively) is placed in the test solution (suspected to contain formaldehyde and/or glutaraldehyde) with a tablet containing the necessary reagents for developing color. These reagents include benzoylacetone or its derivatives, and ammonium acetate. A third tablet containing effervescing material is added, causing mixing of the solution. The third tablet typically is composed of sodium hydroxide and potassium carbonate. The yellow color (if formaldehyde and/or glutaraldehyde are present) produced by the reaction is compared to colors on a color chart, and thereby the approximate amount of formaldehyde and/or glutaraldehyde present may be determined.

REFERENCES:
patent: 2281758 (1942-05-01), Galat
patent: 2387244 (1945-10-01), Compton et al.
patent: 4295853 (1981-10-01), Kasahara et al.
Terada et al., Chemical Abstracts, vol. 76, 1972, No. 153642e.
Lacan et al., Chemical Abstracts, vol. 90, 1979, No. 90:136927y.
Nash et al., Biochem. J. 55:416(1953).
Eskelson et al., 1975 Pacific Conference on Chemistry and Spectroscopy, Oct. 28 through 30, 1975, North Hollywood, Ca., No. 195.

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