the use of non -lead salts clarifying agent instead of lead one in sugar analysis is feasible, and has great value to be recommended .
在甜菜糖厂和甘蔗糖厂的糖品分析中使用无铅澄清剂,效果显着。
in this paper, a new-type cationic high polymeric water clarifying agent is introduced. its efficiency for dyeing, coal washing, paper making and beer wastewater is studied.