001
1317-36-8
Pbo
215-267-0
Lead Oxide
Assay Grade
No Salt Oxide
Special Class
Pbo
99%
Yellow Powder
Used to Make Assay Flux
FIZA
25kgs Bags or Bulk Bags
99%
Hebei China
2824100000
Product Description
DESCRIPTION
Assay Litharge is a special type of Lead Oxide used for gold and other precious metal ore analysis. It is made from specially refined lead and offers a very low level of precious metal impurities
Our litharge is premium quality. We guarantee gold levels are<2ppb in all litharge and guarantee silver levels are <0.2ppm in our silver free/assay grade litharge.
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 |
Name: Selina Xu
