POTASSIUM SULFITE 10117-38-1 Potassium sulfide an
hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and development production of reagent tens of thousands of species. our aim is quality strives for the survival. Seek development by credit reputation. Our products have big price advantage in Europe South America and so on .and Our company also has the advantage of high quality in Africa. in the past two years our products has reached more than 30 countries in the world, Europe. South America. North America, southeast Asia, Africa, etc. We welcome all over the world with the best quality and lowest price friend common cooperation and common development!
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hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and development production of reagent tens of thousands of species. our aim is quality strives for the survival. Seek development by credit reputation. Our products have big price advantage in Europe South America and so on .and Our company also has the advantage of high quality in Africa. in the past two years our products has reached more than 30 countries in the world, Europe. South America. North America, southeast Asia, Africa, etc. We welcome all over the world with the best quality and lowest price friend common cooperation and common development!
1:Safe shipping (TNT;EMS;FEDEX;DHL;UPS;EUB)
2:Safe payment(Btc;MoneyGram;WU)
3:Safe packing (Paraffin coating; Double aluminum foil bag; Vacuum packaging)
4:Fast delivery (3-10 DAYS fast home delivery service )
5:Best quality (Without any doping, all products are pure)
6:Safety guarantee (we do this business long time ,we know how to disguise let the product through customs)
8:New international transportation system(Pls see the pic,The transportation line reaches every corner of the world)
9:Huge Supply(We have many raw materials and processing centers,Each day can provide dozens of kilogram-hundreds of kilograms of different products.)
10:Low Price(All the products are factory prices it can let you have a bigger profit margin)
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Application: Potassium sulfite (formula: K2SO3) is an inorganic compound. It is a white, odorless, granular powder at room temperature. It is mainly used as a food preservative.
Preparation: Similar to other alkali metal sulfites, potassium sulfite can be prepared by passing sulfur dioxide into a potassium hydroxide solution, and if sulfur dioxide is excessive, potassium bisulfite is obtained. Zinc powder or sodium amalgam can reduce potassium sulfite to potassium dithionite (K2S2O4).
Identification test: Potassium test (IT-27) and sulfite test (IT-30) of 5% sample solution were positive. Soluble in water, insoluble in ethanol (OT-42).
Content analysis: The sample was accurately weighed about 750mg and dissolved in the mixed solution composed of 100.0 ml of 0.1mol/L iodine and 5ml of dilute hydrochloric acid test solution (TS-117). The excess iodine was titrated with 0.1mol/L sodium thiosulfate, and the starch test solution (TS-235) was added as an indicator. 0.1mol/L of iodine per milliliter is equivalent to potassium sulfite (K2SO3)7.912mg.
Use 1. Preservative; Antioxidants; Bleach; Anti-browning agent. 2. Antioxidants. The developer. 3. For analytical purposes. 4. Used as a general reagent, but also used in the photographic industry.
Density | 2.353[at 20℃] |
Solubility | Slightly soluble in ethanol |
Color | Colorless hexahexane crystal, crystalline |
Odor | Odorless |
Water Solubility | 1060 g/L at 25℃ |
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