Author's Organization：Institute of Pharmaceutical Sciences, Faculty of Medicine, Kyushu University Institute of Pharmaceutical Sciences, Faculty of Medicine, Kyushu University Institute of Pharmaceutical Sciences, Faculty of Medicine, Kyushu University
Aqueous sodium tungstate and alum were successfully used in the deproteinization of blood or serum to determine the sugar value with 3, 6-dinitrophthalic acid. They were easily prepared and preserved, and fitted for clinical tests. The deproteinizing agent could also be used in a powdered state.
