1.Chemical Name: Potassium Sulfate
2.Molecular Formula : K2SO4
3.Molecular Weight: 174.26
4.CAS: 7778-80-5
5.Character: It occurs as colorless or white hard crystal or as crystalline powder. It tastes bitter and salty. Relative density is 2.662. 1g dissolves in about 8.5mL of water. It’s insoluble in ethanol and acetone. The pH of 5% aqueous solution is about 5.5 to 8.5.
6.Usage: It is used as seasoning and salt substitute.
7.Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg
8.Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| ITEM | INDEX | RESULT | TEST STANDARD | CONCLUSION |
| K2SO4( AS PER SO4) W/% ≥ | 99.0 | 99.45 | As per customer require | Pass |
| K2SO4( AS PER K) W/% ≥ | 99.0 | 99.25 | As per customer require | Pass |
| Moisture w/%≤ | 1.0 | 0.15 | As per customer require | Pass |
| Water Insoluble w/%≤ | 0.1 | 0.02 | As per customer require | Pass |
| Ph | 6.0-8.0 | 7.25 | As per customer require | Pass |
| Acidity w/% | 0.01 | 0.003 | As per customer require | Pass |
| Alkalinity w/% | 0.03 | 0.015 | As per customer require | Pass |
| Chloride(as potassium chloride w/%≤ | 0.02 | <0.02 | As per customer require | Pass |
| Grit | Pass test | Pass test | As per customer require | Pass |
| Mesh size | 100% pass through US Sieve No.50
5% max Retained on US Sieve no.70 |
Pass test | As per customer require | Pass |
