Determination of Organic Carbon and Carbonates in Soils
1967
Anderson, J. U. | Harris, W.
Procedure and apparatus for determining organic and inorganic carbon in soils are described. The digestion acids used differ from those used in common practice in containing no H₂SO₄. Sulfate interference was shown to prevent complete digestion of carbonates in a system containing H₂SO₄. The procedure described is accurate for carbonates and for organic compounds as difficult to oxidize as benzoic acid. The time required for one determination of organic carbon is 30 min; that for inorganic carbon is 22 min.
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