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研究了二安替比林对甲基苯基甲烷与钒 的显色反应 ,并建立了测定钒 的方法。钒量在 0 0 5～1 5μg/2 5mL范围内符合比尔定律。该方法用于钢铁和矿石中微量钒的测定 ,结果满意。
The color reaction of methylphenylacetylene with vanadium in diantipyryl was studied and a method for the determination of vanadium was established. Beer’s law is obeyed in the range of 0 0 5 ~ 1 5μg / 2 5mL. The method is applied to the determination of trace vanadium in steel and ore with satisfactory results.