INFLUENCE OF SORPTION PROCESSES ON ALUMINUM DETERMINATIONS IN ACIDIC WATERS

被引：24

作者：

GOENAGA, X ^{[1
]}

BRYANT, R ^{[1
]}

WILLIAMS, DJA ^{[1
]}

机构：

[1] UNIV WALES UNIV COLL SWANSEA,DEPT CHEM ENGN,COLLOID & INTERFACE GRP,SINGLETON PK,SWANSEA SA2 8PP,W GLAM,WALES

来源：

ANALYTICAL CHEMISTRY | 1987年 / 59卷 / 22期

关键词：

ALUMINUM AND ALLOYS - Analysis - ION EXCHANGE RESINS - MEMBRANES - SOLUTIONS - Filtration - WATER FILTRATION;

D O I：

10.1021/ac00149a010

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Progressive removal of particles from freshwater samples by filtration using various pore diameter polycarbonate capillary membranes (0. 4, 0. 1, 0. 05, and 0. 015 mu m) caused a reduction in the levels of labile aluminum (0-23%), as detected with pyrocatechol violet (PCV), in the filtrates. Removal of aluminum adsorbed onto suspended solids and aluminum losses through adsorption onto the membranes are thought to be responsible for these observations. Losses of aluminum during filtration of freshwater samples were evaluated by filtration of particle-free synthetic solutions and found to be less than 10%).

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页码：2673 / 2678

页数：6

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