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Title: Adaptation of the bitartrate method for the estimation of potassium in sea bittern
Authors: Shukla, B.K.
Mehta, D.J.
Issue Date: 24-Nov-2011
Abstract: Several workers have attempted to work out the best conditions for the application of the bitartrate method for the estimation of potassium. the difficulties encountered in the bitartrate method are:(1) slowness of precipitation,(2) incomplete precipitation of potassium bitartrate especially in presence of magnesium ions,(3) limitations of accuracy due to the slight solubiliy of potassium bitartrate in water. MEURICE2, using sodium hydrogen tartrate as precipitant foound that it was necessary to leave the reactants together overnight.CLARKE and DAVIDSON1 found that a considerable excess of sodium hydrogen tartrate was necessary for complete precipitation of potassium salt, especially in presence of magnesium sulphate. too large an excess of sodium hydrogen 23*
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