Analysed some properties of 60 samples such as detergency,contents of surfactants and sillicates,pH,and builders to replace STPP by the results of quality supervision and testing of non-phosphate washing powders at the first quarter of 1999 in China.Combined with having an interview with producers,the article summarizes present status about making and selling and quality and executing standards of non-phosphate washing powders in our country.
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