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Ionization constant of 5-5'-diethylbarbituric acid from 0-degrees to 60-degrees-C
Journal of research of the National Bureau of Standards
Meas ureme nts are rf' ported for t be ionizat ion constant and for r elate d thermodynamic qua ntities from 0° to 60° C for 5-5 '-diethylbarbituric acid . Two se ries of solutions corres ponding to molal ratios of barbituric acid:sodium barbiturate :sodium chloride (or iodide) of 1:0.5 :l.667, 1 :1 :l.667, and 1: 2 :l.667 were invest igated. The values obtained for the ionization constant of the acid using t hese t hree ratios of acid to sodium salt and two ty pes of refere nce e le ctrodesdoi:10.6028/jres.048.011 fatcat:4awwjmtxuzdvjg33rrrpzf4ode