Determination of elemental sulfur in environmental samples by gas chromatography mass spectrometry

被引:32
作者
Chen, YW [1 ]
Joly, HA [1 ]
Belzile, N [1 ]
机构
[1] LAURENTIAN UNIV,DEPT CHEM & BIOCHEM,SUDBURY,ON P3E 2C6,CANADA
关键词
elemental sulfur; GC-MS; environmental sample; sediments;
D O I
10.1016/S0009-2541(96)00163-5
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
A new analytical method for the determination of elemental sulfur using gas chromatography-mass spectrometry (GC-MS) was developed. Elemental sulfur, SO, was extracted from a fresh sediment sample with the aid of CCl4. One microliter of CCl4 extract was directly injected into and analyzed by GC-MS. In comparison with the few existing methods for SO determination, this technique was found to be much simpler, faster, more sensitive and interference free. Good correlation coefficients (0.996-1.00) for the S-0 calibration curves were obtained in the concentration range of 1.0 mu M-10.0 mM by using appropriate MS parameters. The absolute limit of detection of this method was 96 pg S-0 and the precision (RSD) was usually better than 7.0%. The method was used in the determination of S-0 in 5 different lake sediments collected in the region of Sudbury, Ontario, Canada.
引用
收藏
页码:195 / 200
页数:6
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