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Technical potassium bichromate

Technical potassium bichromate

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Kazakhstan, Shymkent
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Description
Potassium dichromate represents orange crystals well water soluble. Aqueous solution has acid reaction. Potassium bichromate - the strong oxidizer, is highly toxic, cancerogenic, splashes of its solution destroy integuments, airways and cartilaginous tissues. Density is 2,676 g/cm ³. Melting temperature - 398 °C, boiling temperature - 500 °C. Chemical formula: K2Cr2O7
Receive potassium bichromate exchange reaction in Na2Cr2O7 solution with KSL, when heating to 1000-1300 °C of mix (Cr2Fe) of O4 and K2SO3 on air with the subsequent lixiviation of the cooled fusion of K2Cr2O7 water or evaporation of the aqueous solution containing equimolar quantities of K2CO3 (or the GAME) and CrO3.
Potassium dichromate (potassium bichromate, potassium bichromate, potassium potassium bichromate) is applied: - as dubitel in the tanning industry at tanning of skin and sheepskins; - as component in production of dyes and inorganic pigments; - as oxidizer in mixes for heads of matches, in pyrotechnic and photooperating personnels; - as component of dry electrolytes; - as inhibitor of metallic corrosion and alloys; - as pickle for seeds; - as reagent in chromatometry. The cleaning mixture consisting of potassium of bichromate and concentrated sulphuric acid is used for washing of chemical ware
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