发明名称 Reagent for determn. of poly:carboxylate in water using single aq. soln.
摘要 Reagent for determn. of polycarboxylates in water consists of an aq. soln. of 2-20 g/l EDTA.Na4, 30-70 g/l soluble salt (I) of a 3-6C hydroxycarboxylic acid and 5-10 g/l quat. organic ammonium salt (II). Also claimed is a method of determining polycarboxylates in concns. of up to 20 ppm in water.
申请公布号 DE4441368(A1) 申请公布日期 1996.05.23
申请号 DE19944441368 申请日期 1994.11.21
申请人 HENKEL KGAA, 40589 DUESSELDORF, DE 发明人 HATER, WOLGANG, DR., 40227 DUESSELDORF, DE;SCHLAG, MICHAEL, 50593 DUESSELDORF, DE
分类号 F28F25/00;G01N21/82;G01N33/18;(IPC1-7):G01N33/18;F28C1/00 主分类号 F28F25/00
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