How to get Potassium dichromate?a

Potassium dichromate is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications.
Uses
Cleaning: potassium dichromate may be used to prepare "chromic acid", which can be used for cleaning glassware and etching materials.
Construction: It is used as an ingredient in cement in which it retards the setting of the mixture and improves its density and texture.
Ethanol determination: The concentration of ethanol in a sample can be determined by back titration with acidified potassium dichromate.
Leather: It is used to tan leather which is used for footwear.
Photography: Potassium dichromate has important uses in photography and in photographic screen printing, where it is used as an oxidizing agent together with a strong mineral acid.
Sulfur dioxide test: Potassium dichromate paper can be used to test for sulfur dioxide, as it turns distinctively from orange to green.
Wood treatment: Potassium dichromate is used to stain certain types of wood by darkening the tannins in the wood.
More about: Potassium Dichromate
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