Abstract
Abstract Quantitative extraction of calcium and magnesium in high molecular weight carboxylic acid, versatic-9, and amine systems is reported. Butanol was used as diluent. The study includes the extraction behavior as a function of pH by controlled addition of amines, such as monoethanol amine, diethanol amine, and triethanol amine, the effect of diluent, solvent concentration, and different high molecular carboxylic acids such as versatic-10, versatic-911, and SRS-100. A comparison with the β-diketone-buffer-extraction system and versatic-9-buffer system has also been studied. The proposed method is very simple, and quantitative extraction has been achieved.
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