发明授权
US4192744A Treatment of aqueous systems 失效
水系统的处理

Treatment of aqueous systems
摘要:
Aqueous compositions containing compounds having the formula: ##STR1## wherein R is a straight- or branched alkyl residue containing 11 to 17 carbon atoms and X and Y are the same or different and each is an alkali metal, an alkaline earth metal, ammonium, an amine radical or hydrogen for selectively flocculating iron ions.
公开/授权文献
信息查询
0/0