PREPARATION OF AMINOPOLYCARBOXYLATE-FERRIC SOLUTIONS WITH IMPROVED LONG-TERM STABILITY
摘要
A process for producing a ferric aminopolycarboxylic acid chelate with improved long term stability is disclosed. The process involves heating a mixture of iron oxide, ammonia and aminopolycarboxylic acid chelant at an elevated temperature for a sufficient time to improve the stability of the formed chelate.
申请公布号
WO9902484(A2)
申请公布日期
1999.01.21
申请号
WO1998US13245
申请日期
1998.06.26
申请人
THE DOW CHEMICAL COMPANY;ST. GEORGE, GEORGE, M.;WILSON, DAVID, A.