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本文研究了磷钒钼酸与碱性染料孔雀绿在水溶液中显色反应的适宜条件 ,并应用于测定沼气废液中的含磷量 ,试验结果表明 ,此方法测定结果可靠
In this paper, suitable conditions for the color reaction of phosphovanadomolybdic acid with basic dye malachite green in aqueous solution were studied and applied to the determination of phosphorus content in biogas waste liquid. The experimental results show that this method is reliable