Determination of titanium in quartz and silica glass samples by adsorptive stripping voltammetry

被引：5

作者：

Gawrys, M ^{[1
]}

Golimowski, J ^{[1
]}

Orska-Gawrys, J ^{[1
]}

机构：

[1] Warsaw Univ, Dept Chem, PL-02093 Warsaw, Poland

来源：

ANALYTICAL LETTERS | 2000年 / 33卷 / 07期

关键词：

adsorptive stripping voltammetry; hanging mercury drop; titanium; mandelic acid; quartz; silica glass;

D O I：

10.1080/00032710008543125

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This article presents a method for determination of titanium in quartz and silica glass samples based on adsorptive stripping voltammetry (AdSV) with mandelic acid. Hanging mercury drop electrode as a working electrode was used. The optimized conditions include. pH 3.3, accumulation potential -0.15 V, accumulation time 90 s, scan rate 10 mV/s, pulse amplitude 25 mV. In case of 5 min accumulation time the obtained detection limit was 6.5x10(-9) mol/L Ti. ET-AAS was applied as a reference method to AdSV measurements. The procedure for decomposition of quartz and silica glass samples applying small amount of acids is described.

引用

页码：1327 / 1338

页数：12

共 17 条

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