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Analysis of Quality of Water Base Metal Detergents

Ma Wenshi,Li Yan The Institute of Industrial Hygiene of Railway Ministry(100038) Li Xiale ,Sun Jinyou Fengtai Locomotive Maintenance Service Unit  
For the controlling the quality of detergent used by the unites in the railway system,we have done the analysis of the quality of the several kinds of water base metal detergents used by Fengtai locomotive maintenance service unit.We did the modal tests of the standard metal testers and the man made oil pollutants.The results showed there were many differences in the mine standards as cleaness ,corrosion and oil floatage on water base metal detergents.Among these detergents,there are two better quality products that they can be approved as qualified products;out of these,the one is used well to black metal but is corrosive to nonferrous metal,the other is unqualified.Hence,before the using detergents,the quality of the products must be checked,this procedure is essential to client enterprises under the Ministry of Railway.
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