Determination of manganese in herbal medicine samples by slurry-sampling electrothermal atomic absorption spectrometry with a metal tube atomizer

被引：14

作者：

Amin, MN ^{[1
]}

Kaneco, S

Suzuki, T

Taniguchi, Y

Ohta, K

机构：

[1] Mie Univ, Fac Engn, Dept Chem Mat, Tsu, Mie 5148507, Japan

[2] Mie Univ, Environm Preservat Ctr, Tsu, Mie 5148507, Japan

[3] Mie Prefectural Sci & Technol Promot Ctr, Ind Res Div, Tsu, Mie 5140819, Japan

来源：

ANALYTICAL AND BIOANALYTICAL CHEMISTRY | 2002年 / 373卷 / 03期

关键词：

manganese; slurry-sampling; herbal medicine samples; atomic absorption spectrometry; metal tube atomizer;

D O I：

10.1007/s00216-002-1303-1

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

An ultrasonic slurry-sampling electrothermal atomic absorption spectrometry with a molybdenum tube atomizer has been developed for the determination of manganese in herbal medicine samples. Ten percent glycerol solution was used as the slurry medium. The optimum pyrolysis temperature was 400degreesC. The detection limit was 69 fg (3xS/N). Matrix element interference was checked and it was found that glycerol as a chemical modifier eliminated the interference. The amounts of manganese in herbal medicines determined by the proposed method are in good accordance with those measured in dissolved acid-digested samples. The method enables rapid calibration, and simple and rapid analysis of manganese in herbal medicine samples at low cost.

引用

页码：205 / 208

页数：4

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