Product Name: Sodium sulfide crystal (Na2S.5½H2O)
Property: White particle, it has stable quality and low accessory constituent; it is white, odorless and oxidizable in contact with the air.
Packing: Net weight 25.0kg/bag. Inside is double-layer plastic film, hot sealing; outside is woven bag, stitch it up on a machine.
Precautions: Protect from rain, damp, heat during transportation and storage, avoid contacting with acid and corrosive articles.
Use: Mainly used in engineering plastic, rubber, silica gel, chemical detergent, medicine, health-care food additive and other industries。
Technical Index:
| Item |
Index |
| Sodium sulfide (Na2S), ω/% ≥ |
44.0 |
| Sodium thiosulfate (Na2S2O3), ω/% ≤ |
0.40 |
| Sodium sulfite (Na2SO3), ω/% ≤ |
0.30 |
| Iron (Fe), ω/ppm ≤ |
5 |
| Water insoluble matter, ω/% ≤ |
0.012 |
| Sodium carbonate, ω/% ≤ |
0.15 |
| Appearance |
White crystal |
