Manual of chemical analysis as applied to the examination of medicinal chemicals : a guide for the determination of their identity and quality, and for the determination of their identity and quality, and for the detection of impurities and adulterations : for the use of pharmaceutists, physicians, druggists, and manufacturing chemists, and of pharmaceutical and medical students . Fiu. 24. ANALYSIS BY OF ALKALIES. Test-Solutionof .Oxalic Acid. Sixty-threegrammes of pure crystallized oxalic acia are dis-solved in water; the solution is filtered into a litre-flask, andthe f
Manual of chemical analysis as applied to the examination of medicinal chemicals : a guide for the determination of their identity and quality, and for the determination of their identity and quality, and for the detection of impurities and adulterations : for the use of pharmaceutists, physicians, druggists, and manufacturing chemists, and of pharmaceutical and medical students . Fiu. 24. ANALYSIS BY OF ALKALIES. Test-Solutionof .Oxalic Acid. Sixty-threegrammes of pure crystallized oxalic acia are dis-solved in water; the solution is filtered into a litre-flask, andthe filter w^ashed with water until the exact volume of 1 litre,at about 16° C, is obtained. One hundred cubic centimetres of this solution contain one- VOLUMETRIC ANALYSIS. 57 twentieth of the molecular weight, in grammes, of oxalic acid,and are, therefore, capable of neutralizing one-twentieth of the. Via. 25. molecular weight in grammes of bivalent bases, or salts con-taining 2 atoms of univalent metals, or one-tenth of the molec- 58 MANUAL OF CHEMICAL ANALYSIS. iilar weight in grammes of salts containing one atom of univa-lent bases. This test-solution is applied for the estimation of the alkalinehydrates, carbonates, acetates, tartrates, citrates, and borates:100 cubic centimetres of the solution will exactly neutralize,if of officinal strength : grarames of Potassii Hydras (2 oz. aq.). Sodii Hydras (2 oz. aq.). Liquor Potassse, spec, grav., Aqua Ammoniae fortior, U. S. P., spec, grav., (2 oz. aq.). Aqua Aramonise, U. S. P., spec, grav., (1 oz. aq.). Potassii Carbonas pura (2 oz. aq.). Potassii Carbonas depurata (2 oz. aq.). Sodii Carbonas crystallisata (2 oz. aq.). Ammonii Carbonas (2 oz. aq.). Potassii Bicarbonas crystallisata (3 oz. aq.). Sodii Bicarbonas (4 oz. aq.). Sodii Biboras (3 oz. aq.).
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