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4.4 钠含量的测定汞量法4.4.1 方法原理在酸性的水溶液或乙醇-水溶液中,用强电离的硝酸汞标准溶液将氯离子转化成弱电离的氯化汞,用二苯偶氮碳酰肼指示剂与过量的Hg~(2+)生成紫红色络合物为终点。
4.4 Determination of sodium content Mercury method 4.4.1 Methodology In acidic aqueous or ethanol - aqueous solution, with a strong ionization of mercury nitrate standard solution of chloride ion into weak ionization of mercuric chloride, with diphenyl azocarbonyl Hydrazine indicator and excess Hg ~ (2+) generated purple complex as the end point.