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Lead Chromate

Formula: PbCrO4
Alternate Names: Lead(II) Chromate

OxideAnalysisFormula
PbO67.45%1.000
CrO332.55%1.077
Oxide Weight330.91
Formula Weight330.91
If this formula is not unified correctly please contact us.

In nature lead chromate exists as the mineral crocoite. It has monoclinic brilliant-red to orange prismatic crystals. Crocoite decomposes below 1000 degrees to lead oxide and green chromic oxide.

The brilliant reds, oranges, vermillion, and yellow colours achieved in lead-chromium glazes are due to precipitation of crocoite crystals. However lead chromate material is very toxic.


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By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Lead Chromate" descrip="" searchkey="Lead(II) Chromate" loi="0.00" casnumber=""> <oxides> <oxide symbol="PbO" name="Lead Oxide" status="" percent="67.450" tolerance=""/> <oxide symbol="CrO3" name="Chromium Trioxide" status="" percent="32.550" tolerance=""/> </oxides> </material>


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