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The effect of barbituric acid concentration in the spectrophotometric determination of cyanide and thiocyanate by the pyridine-barbituric acid method

✍ Scribed by Sharma, A. ;Thibert, R. J.

Publisher
Springer-Verlag
Year
1985
Weight
322 KB
Volume
85
Category
Article
ISSN
0344-838X

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A unstable intermediate product with peak absorbance at 494 nm was found in the reactlon of cyamde with pyrldme-barbltunc acid reagent The Intermediate was applied to the determination of cyanide by reagent-mqectlon flow-mqectlon analysis The cahbratlon graph was hnear over the range of O-4 pg ml-'