potassium dichromate


nounChemistry.
  1. an orange-red, crystalline, water-soluble, poisonous powder, K2Cr2O7, used chiefly in dyeing, photography, and as a laboratory reagent.

Origin of potassium dichromate

1
First recorded in 1880–85
  • Also called potassium bichromate.

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British Dictionary definitions for potassium dichromate

potassium dichromate

noun
  1. an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K 2 Cr 2 O 7

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