why cacl2 is commonly used as an extractant for estimating S?
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Explanation:
Assessing the Extraction Efficiency of CaCl2 and Rhizon Extraction Methods after the Application of Organic Matter and CaCl2 as Soil Amendments to Enhance the Mobility of Cd and Zn
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Leads to easy filtration
Explanation:
Available sulphur in mineral soils occurs mainly as adsorbed SO4²- ions. Since Ca is the primary cation on the adsorption complex of soils, the CaCl2 solution is better able to extract other adsorbed cations and also leads to easy filtration of SO4²- in the extract.
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