Stabilized trinder reagent

Details Stabilized trinder reagent Stabilized trinder reagent

C - Chemistry, Metallurgy

12

Q

150/3.1

C12Q 1/28 (2006.01) G01N 33/52 (2006.01)

Patent

CA 2023321

ABSTRACT Spontaneous aspecific coloration in so-called Trinder reagents which can alter subsequent colorimetric determinations is inhibited by adding compounds of the chelating agent class to the solution. The resultant compositions contain a peroxidase enzyme, a phenylpyrazone derivative, a compound of phenolic or aromatic amine structure and a stabilizer. Preferred stablizers are ethylenediaminetetraacetic acid (EDTA) and diethylenetriaminepentaacetic acid (DTPA).

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