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1.试样处理在玛瑙研钵中把待测试的样品材料研磨至粒径小于0.300毫米,然后再进行化学分析。2.试剂氯化钠试剂级,0.0300N 标准溶液;硝酸0.05和0.IN溶液; 溴苯酚兰0.05%乙醇溶液: 二苯基9一氮杂茹0.2%乙醇溶液; 硝酸汞
1. Sample Processing In the agate mortar to be tested in the sample material is ground to a particle size of less than 0.300 mm, and then for chemical analysis. 2. Reagents Sodium chloride reagent grade, 0.0300N standard solution; nitric acid 0.05 and 0. IN solution; bromophenol blue 0.05% ethanol solution: diphenyl 9-azarene 0.2% ethanol solution; mercury nitrate