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Research Article Open access CC BY 4.0

Degradation of Some Resistant Organic Compounds during Pressure Decomposition with Nitric Acid – Potassium Chlorate Reagent Solution

M. Sager, F. Hammerschmidt

International Research Journal of Pure and Applied Chemistry · pp. 1–5 · Published 2 Jul 2015

10.9734/IRJPAC/2015/18714

Abstract

In a mixture of nitric acid and chloric acid, nitrate has been proven to be the oxidizing agent for the organic matrix to be digested. White precipitates obtained occasionally after microwave-assisted pressure digestion with potassium chlorate in dilute nitric acid solution, have been identified as nitrification products of phenyl alanine and tyrosine by 1H- NMR methods. Lowering sample weight leads to clear digests.  

Potassium chlorate pressure digestion phenylalanine tyrosine boron iodine sulfur heavy metals

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