Composition, device and method for determining reducing agents

Details Composition, device and method for determining reducing agents Composition, device and method for determining reducing agents

G - Physics

01

N

150/14, 150/3

G01N 31/22 (2006.01) C07D 241/38 (2006.01) C07D 241/46 (2006.01) C07D 265/34 (2006.01) C07D 265/38 (2006.01) C07D 279/18 (2006.01) C07D 279/34 (2006.01) C09B 19/00 (2006.01) C09B 21/00 (2006.01) C09B 67/32 (2006.01) G01N 33/52 (2006.01) G01N 33/82 (2006.01)

Patent

CA 1115184

ABSTRACT OF THE DISCLOSURE A composition, device and method for determining the presence of a reducing agent, such as ascorbic acid, in a test sample are disclosed. The composition comprises certain thiazine and oxazine compounds which, in their oxidized state, are colored, but which become colorless when reduced by a reducing agent. The device comprises carrier matrix incorporated with the composition, and the method comprises contacting a test sample with the composition device and observing any detectable response such as a color change.

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