Premium
Determination of Exchangeable Magnesium in Soils Containing Dolomite
Author(s) -
Bower C. A.
Publication year - 1955
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1955.03615995001900010009x
Subject(s) - dolomite , dissolution , magnesium , solubility , oxalate , soil water , chemistry , inorganic chemistry , nuclear chemistry , mineralogy , environmental chemistry , geology , soil science , organic chemistry
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.