in water a boiling soln. of potassium hydrogen tartrate was neutralized by addition of Mg(OH)2, filtration, on evporation of the solvent K2H4C4O6*MgH4C4O6*8H2O crystd.;; impured by little amounts of alkali;;
calcium carbonate in not given byproducts: calcium tartrate; heating, concn. of Cl(-) free soln., heating at red heat; filtration and addn. of HNO3 and AgNO3 to eliminate Cl(-) impurities from soln.;
参考文献
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, , vol. 40, p. 364
