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| Determination of CO2 in Silicate by Carbon Sulfur Photoelectric Analyzer-Non Aqueous Titration Method |
| Received:May 17, 2016 Revised:July 07, 2016 |
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| DOI：doi:10.3969/j.issn.2095-1035.2017.01.017 |
| KeyWord:carbon sulfur photoelectric analyzer; non-aqueous titration; CO2 |
| Author | Institution |
| ZHANG Yan |
1 陕西省矿产资源勘查与综合利用重点实验室 西安 ;2 陕西省地质矿产实验研究所 西安 |
| HAO Hui |
1 陕西省矿产资源勘查与综合利用重点实验室 西安 ;2 陕西省地质矿产实验研究所 西安 |
| LIU Xiaoyan |
1 陕西省矿产资源勘查与综合利用重点实验室 西安 ;2 陕西省地质矿产实验研究所 西安 |
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| Abstract: |
| A carbon and sulfur photoelectronic analyzer was applied for the determination of CO2 in silicate samples, which led to a clearer titration end point. The relative error and the relative standard deviation (RSD) for the measurements of the national certified reference material were 0.86%-7.4% and 2.3%-7.9%, respectively. The method can meet the requirements of the accuracy and precision, which are defined in the quality management standard for geology mineral resources laboratory tests (DZ/T0130-2006) . |
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