How to determine organic carbon content in humic acid?

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Ester cleavage conditions?

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Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

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No title

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Anoop Kumar Srivastava

Please have a look some of these PDFs...hope you like them..

J. C. Tarafdar

The most common procedure involve reduction of potassium dichromate by organic carbon compounds and subsequent determination of the unreduced dichromate by oxidation-reduction titration with ferrous ammonium sulfate (walkley,1947; FAO,1974).

Hayfaa Jasim Al-Tameemi

You can determine organic carbon in humic acid by CHN teqnique or by digestion with potassium dichromate .reference.methoda of soil analysis .Page et al.1982