| Customization: | Available |
|---|---|
| CAS No.: | 584-08-7 |
| Formula: | K2co3 |
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1,Chemical Name: Potassium Carbonate
2,Molecular Formula: K2CO3
3,Molecular Weight: 138.21
4,CAS: 584-08-7
5,Character: It is anhydrous or contains 1.5 hydrates. Anhydrous form occurs as white, granular powder and hydrated form occurs as white, translucent crystal or granule. It's odorless and smells alkali. I air, it's very deliquescent. It's freely soluble in water and aqueous solution is alkaline. It's insoluble in ethanol or ether.
| Specification | GB 25588-2010 | FCC VII |
| Content (K2CO3), w/% | ≥99.0 | 99.0-100.5 |
| As ,mg/kg ≤ | 2 | ---- |
| Sulfur compound(K2SO4),w/% ≤ | 0.01 | ---- |
| Iron(Fe),w/% ≤ | 0.0010 | ---- |
| Pb,mg/kg ≤ | ---- | 2 |
| Heavy Metals(As Pb),mg/kg ≤ | 10 | ---- |
| Insoluble Substances,w/% ≤ | 0.02 | Pass the Test |
| Chlorides(KCl),w/% ≤ | 0.015 | ---- |
| Loss on Ignition,w/% ≤ | 0.60 | 1.00(180ºC,4h) |
In industry: potassium carbonate is used as raw material in manufacturing electro tube, TV kinescope, computer display. It is applied in optical glass improving clarity, strength and refractive index. It is also used in electrode avoiding electric arc breaking-off during welding. In dyeing industry, it is used to produce vat dyestuff and discharge of ice dyeing, etc.
In food industry, potassium carbonate can serve as an effective alkaline agent and dough conditioner and is capable of hindering the fermentation process in noodles. It can be applied to pasta food.
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
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.
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