Technical sulfur of grade 9998 produced to TDS 1017-2017 by the State Concern Turkmennebit, with a sulfur content of not less than 99.98% — the highest purity grade, used where arsenic and selenium must be effectively absent.
Specification
- Mass fraction of sulfur not less than 99.98%
- Produced to TDS 1017-2017
- Lump, granular and liquid forms available
- Lump size for export not exceeding 200 mm
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
Sulfuric acid production, phosphate and compound fertiliser plants, rubber vulcanisation, pulp and paper, agrochemicals and industrial chemistry.
Loading and delivery
FCA or DAP from the Turkmenistan sulfur granulation plants, or FOB Turkmenbashy. Rail dispatch in covered wagons and container shipments both available.
