Assay Grade Litharge

SEPOR, INC
718 N FRIES AVE.
WILMINGTON, CA 90744
310 830 6601
Fax: 310 830 9336
info@sepor.com

Sepor furnishes assay grade litharge in 25 Kg (55 Lbs.) UN conforming metal pails, in a free flowing granular form, with 95% -25 mesh. Assay grade litharge is primarily used in fire assaying. Fire assaying is the quantitative determination of precious met- als in a ore. Assay Grade litharge is the purest form of litharge, conforming to the specifications below.

It is furnished FOB Wilmington, California, although it is generally not stored at our location in California, but can be shipped there in a couple of days.

 

Litharge, Assay Grade Analysis Results

CompoundRequired Cond.
(Min or Max)
Percent Detected
Lead Monoxide99% Min99.59%
SiO20.1% Max0.01%
CaO0.05% Max0.02%
Al2O30.04% Max0.01%
Fe0.025% Max0.02%
Zn0.0005% Max0.0001%
Insoluable Matter0.3% Max0.05%
As0.0005% Max0.00%
Bismuth0.0004% Max0.00%
Metalics0.5% Max
Silver0.005 OzT/Ton Max0.004 Oz/T
Gold1 PPB Max< 1 PPB
Size95% pass 20 Mesh95% – 20 Mesh

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