Research Article
Application of Temperature Programmed Oxidation-Infrared Technique in the Analysis of Sulfur Occurrence and Genesis in Phosphate Rock
Table 4
The XPS S 2p analysis of phosphate rocks.
| Peak | Assignment | Position/eV | Fwhm/eV | Content (mol.%) | KYP | WAP | ZJP |
| 1 | Pyrite | 172.3 | 1.9 | 1.94 | 32.43 | 0 | 2 | Sulfate | 168.9 | 1.9 | 70.92 | 35.26 | 51.24 | 3 | Sulfite | 167.4 | 1.9 | 17.18 | 23.33 | 24.38 | 4 | Sulfoxide | 166.4 | 1.9 | 0 | 2.73 | 11.47 | 5 | Thiophene | 164.3 | 1.9 | 4.81 | 6.25 | 9.09 | 6 | Sulfide | 161.5 | 1.9 | 5.15 | 0 | 3.82 |
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