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在硫酸介质及100℃水浴加热条件下,钒(Ⅴ)对过硫酸铵氧化二苯羟乙酸生成二苯甲酮这一慢反应具有强烈的催化作用,据此拟定了一个测定8.0～100ng/ml钒的催化反应-示波极谱法,并用于测定铝合金及纯铝中钒的含量。
Vanadium (V) strongly catalyzes the slow reaction of benzophenone with ammonium persulfate in the sulfuric acid medium and 100 ℃ water bath. Based on this, a method was developed for the determination of benzophenone in the range of 8.0 ~ 100ng / ml Vanadium catalytic reaction - oscillopolarography, and used to determine the aluminum alloy and pure aluminum vanadium content.