Lead chromate and potassium dichromate

Lead chromate and potassium dichromate

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Credit: RICHARD MEGNA/FUNDAMENTAL PHOTOS/SCIENCE PHOTO LIBRARY

Caption: Crystals of lead chromate (formula PbCrO4) left and potassium dichromate (formula K2Cr2O7), showing the colour difference between the two chrome-based ions. Lead chromate is also known as chrome yellow, and is used as a pigment for paints.

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Keywords: chemical, chemistry, chromate ions, colour difference, crystal, crystal colou, crystal colour, crystals, dichromate ion, lead chromate, orange, potassium dichromate, yellow

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