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应用钽试剂三氯甲烷萃取分光光度法测定微量钛,具有选择性好,所用试剂少,操作简单等特点,适用于钢中钛含量在0.001%以上的分析.一、试剂与仪器氯化亚锡溶液:5M(10N盐酸溶液);钽试剂—三氯甲烷溶液:0.2%;钛标准溶液:称取0.1668克光谱纯二氧化钛,加10克硫酸铵和20毫升硫酸,加热至完全溶解,冷至室温,稀释至1升,此溶液每毫升含0.1毫克钛.再用0.5N硫酸溶液稀释,配制成每毫升含10微克钛标准溶液;
Tantalum reagent trichloromethane extraction spectrophotometric determination of trace titanium, with good selectivity, less reagents, simple operation, etc., suitable for analysis of titanium in steel with a content of 0.001% or more.A reagent and instrument stannous chloride Solution: 5M (10N hydrochloric acid solution); Tantalum reagent - chloroform solution: 0.2%; Titanium standard solution: Weigh 0.1668g of pure titanium dioxide, add 10g of ammonium sulfate and 20mL of sulfuric acid, heat to completely dissolve and cool to room temperature , Dilute to 1 liter, the solution containing 0.1 mg per ml of titanium, and then diluted with 0.5N sulfuric acid solution, formulated with 10 micrograms per milliliter of titanium standard solution;