Lump technical sulfur recovered from natural gas sweetening in Turkmenistan, supplied unground for buyers who melt or grind on site.
Specification
- Lump (comovaya) technical sulfur
- Supplied against certificate of quality
- Bulk, big bags or 50 kg bags
Physical and chemical indicators
Technical sulfur — TDS 1017-2017
| Parameter | 9998 | 9995 | 9990 | 9950 | 9920 |
|---|
| Mass fraction of sulfur, %, min | 99.98 | 99.95 | 99.90 | 99.50 | 99.20 |
| Ash content, %, max | 0.02 | 0.03 | 0.05 | 0.2 | 0.4 |
| Mass fraction of organic matter, %, max | 0.01 | 0.03 | 0.06 | 0.25 | 0.5 |
| Acidity as sulfuric acid, %, max | 0.0015 | 0.003 | 0.004 | 0.01 | 0.02 |
| Mass fraction of arsenic, %, max | 0.0000 | 0.0000 | 0.000 | 0.000 | 0.03 |
| Mass fraction of selenium, %, max | 0.000 | 0.000 | 0.000 | 0.000 | 0.04 |
| Mass fraction of water, %, max | 0.2 | 0.2 | 0.2 | 0.2 | 1.0 |
| Mechanical impurities (paper, wood, sand) | Not permitted | Not permitted | Not permitted | Not permitted | Not permitted |
Indicators 1–6 are calculated on a dry basis. For liquid sulfur of grade 9998 the ash content shall not exceed 0.008%, and 0.01% for grades 9995 and 9990. Lump size for export shall not exceed 200 mm.
Applications
Sulphuric acid manufacture, fertiliser production, and feedstock for grinding into agricultural and rubber grade sulfur.
Related
Loading and delivery
FCA producing plant, or FOB Turkmenbashy International Sea Port. Rail dispatch available for overland destinations.