A sorption-photometric method for determination of silicon using polyurethane foam

被引：0
|
作者：
Goncharova, LV [1 ]
Dmitrienko, SG [1 ]
Pyatkova, LN [1 ]
Makarova, SV [1 ]
Zolotov, YA [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Moscow, Russia
来源：
INDUSTRIAL LABORATORY | 2000年 / 66卷 / 05期
关键词：
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A sorption-photometric method for determination of silicon using polyurethane foam is described. Silicon is sorbed on polyurethane foam from weakly acidic solutions (pH similar to 2) as an oxidized or reduced form of molybdosilicic acid (MSA) and analyzed in the sorbent phase by diffuse-reflection spectroscopy. The detection limit for silicon in the oxidized and reduced forms of MSA is 0.01 and 0.003 mug/ml, respectively. The method is used to determine silicon in tap water.
引用
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页码：286 / 288
页数：3
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