Peroxide value determining test for oils and fats

Details Peroxide value determining test for oils and fats Peroxide value determining test for oils and fats

1976-04-13

1978-07-04

Wolk, Morris O.

Chemistry: physical processes

Physical processes

Crystallization

23253TP, G01N 3122, G01N 3302

Patent

active

040985750

ABSTRACT:
A test paper, manufactured by impregnating a glass fiber-made paper or cloth with a starch and potassium iodide reagent, liberates iodine on the test paper in such a quantity as to exactly correspond to the peroxide content of an oil or fat coming into contact therewith. Since the liberated iodine easily combines with the ambient starch and turns blue in accordance with the quantity of iodine upon subsequent addition of water, determination of the peroxide value, or consequently the edibility, of the oil or fat can be conveniently effected by determinaton of merely finding the intensity of the color developed on the test paper.

REFERENCES:
patent: 3183173 (1965-05-01), Oakes
patent: 3705012 (1972-12-01), Marmor et al.
patent: 3826620 (1974-07-01), Simpson et al.
patent: 3846247 (1974-11-01), Kronish et al.
patent: 3897214 (1975-07-01), Lange et al.
patent: 3901657 (1975-08-01), Lightfoot
patent: 3937613 (1976-02-01), Rosicky

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