Determination of Nickel Content in Automotive Urea by Dimethylglyoxime Spectrophotometric Method
In this experiment,the nickel content in automotive urea was determined by dimethylglyoxime spectrophotometry,and the feasibility,precision and accuracy of the method were analyzed.The experimental results show that the method is feasible and accurate for samples with different nickel content.The relative standard deviation of high nickel content is 1.31%,and the relative standard deviation of low nickel content is 9.67%,indicating that the method is better than that of low nickel content.The method has high recovery rate and good accuracy for samples with different nickel content.The experimental results show that the method can be used to determine nickel content in automotive urea with simple operation and high accuracy.
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