Potassium bichromate

Potassium dichromate 25kg, wholesale is an orange crystalline substance, highly soluble in water. Its aqueous solutions are characterized by an acidic reaction. Potassium chromium peak is a powerful oxidizing agent, it is a highly toxic and carcinogenic substance. When drops of its solution enter the body, damage and destruction of the skin, cartilage tissues and respiratory tract occurs.

The density of potassium dichromate is 2.676 g / cm³, melting occurs at a temperature of 398 ° C, boiling at 500 ° C. To obtain potassium dichromate, an exchange reaction is made between potassium chloride and sodium dichromate. It is also used to heat a mixture of potassium carbonate with an alloy (Cr2Fe)O4 to a temperature of 1000-1300°C, followed by leaching of the resulting melt with water in a cooled state. A potassium chromium peak can also be obtained by evaporating an aqueous solution of an equimolar mixture of potassium carbonate and chromium oxide.

The chemical formula is K2Cr2O7.

Where is it applied?

In the leather industry for tanning leather, sheepskins;

For the production of inorganic pigments and dyes;

As an oxidizing agent in the composition of match heads, in compositions used in photographic equipment and pyrotechnics;

In dry electrolytes, as a seed dressing, to inhibit corrosion of metals and their alloys, as a reagent used in chromatometry;

As part of a mixture for cleaning chemical dishes.

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