The role of size exclusion chromatography-flame atomic absorption spectrometry in the treatment chemistry of potable water

被引：2
|
作者：
Koether, MC [1 ]
机构：
[1] Kennesaw State Univ, Dept Chem & Biochem, Kennesaw, GA 30144 USA
来源：
JOURNAL OF ENVIRONMENTAL MONITORING | 2002年 / 4卷 / 01期
关键词：
D O I：
10.1039/b105581j
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The percentage composition of Al-13, [AlO4Al12(OH)(24)(H2O)(12)](7+), in water treatment coagulants is ail important criterion in the development and use of polymeric coagulants. Polymeric coagulants are generally used in cold climates or with highly turbid waters. Size exclusion chromatography-flame atomic absorption, spectrometry (SEC-FAAS) can separate Al-13 and monomeric Al within 6 min. The percentage composition of Al-13 and monomeric Al is determined by solving two simultaneous equations. Due to overlapping peaks, a 10% error is associated with this method of quantification. This method can be used on coagulants of varying "r values" (r=[OH-]/[Al3+]). or on mixtures of those coagulants and monomeric aluminium.
引用
收藏
页码：16 / 19
页数：4
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