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This article in SSSAJ

  1. Vol. 19 No. 1, p. 40-42
     
    Received: May 10, 1954
    Published: Jan, 1955


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doi:10.2136/sssaj1955.03615995001900010009x

Determination of Exchangeable Magnesium in Soils Containing Dolomite1

  1. C. A. Bower2

Abstract

Abstract

A method is described for the determination of exchangeable Mg in soils containing dolomite. It is based on the low solubility of the mineral in 1 N NaAc of pH 8.2. Magnesium in the NaAc extract is titrated with ethylenediaminetetraacetate after removal of Ca as the oxalate. The positive error owing to the dissolving of dolomite was found to be approximately 0.75 me. per 100 gm.

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