DETERMINATION OF LOW UREA CONTENT IN HIGH CONCENTRATION AMMONIA WATER
Industrial ammonia water requires an ammonia content of 20%to 22%,and a urea content of less than 2%.The method for analyzing the urea content in industrial ammonia water belongs to constant analysis.There are currently two methods for analyzing constant urea:the p-dimethylaminobenzaldehyde method and the formaldehyde method.By comparing the two methods,the most appropriate analysis method was selected.
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