99%
1317-36-8
Pbo
215-267-0
Lead Oxide
No Salt Oxide
Special Class
Pbo
99.9%
Yellow Powder
Used to Make Assay Flux
886ºC
1470ºC
223.199
0.2ppm Max
2 Ppb Max
9.53
FIZA
25kgs Bags or Bulk Bags
99%
Hebei China
2824100000
Product Description

Lead Oxide
Assay Litharge is a special type of lead oxide. Highly pure lead oxide is used in the determination of gold and silver by fire assay. Its color is typical a reddish-orange and chemical formula is PbO, easy to change color when exposed to light.


Item index | Standard |
Appearance: | Yellow powder |
Melting point (ºC): | 888~890 |
Boiling point (ºC): | 1472 (decomposition) |
Relative density (water = 1): | 9.53 |
Purity (on dry basis): | 99%min |
Acid insolubles: | 0.1%max |
Moisture: | 0.2%max |
Fe2O3 | 0.05%max |
Au: | 2ppbmax |
Ag: | 0.2ppmmax |
Packed in 25kgs net weight bags or drums with pallets, or as customer's requirement.








Hebei Fiza Technolory Co., Ltd, is a professional manufacturer of assay litharge, assay flux, crucible (Clay crucible, Ceramic Crucible), Magnesia cupel and Magnesia Bulion Block and with perfect management system and mature production technology.
The crucible, cupel and other fire assay consumables are made of high quality raw materials, high temperature resistance, good thermal conductivity, high melting purity, strong corrosion resistance and long service life.
Our staff of sales and technical support is available to help you in selecting the right protection for your application as well
as to provide you with samples of our products for evaluation. At High Five, we are committed to providing the highest level of customer service, competitive pricing, speedy delivery and a comprehensive, cutting-edge product offering. Our ultimate goal is your satisfaction.
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