2011年11月5日星期六

Litharge

Description
Litharge, which is Lead Mono-Oxide (PbO) is a yellowish or reddish, odorless, heavy, earthy, water-insoluble, solid, PbO, used chiefly in the manufacture of Lead Stabilizers (Lead Steareates), pottery, Lead glass, paints, enamels, and inks. Litharge is also called Lead Monoxide, Lead Oxide, Plumbous Oxide & Yellow oxide.
 
Typical Properties
Appearance
Canary yellow to reddish yellow powder
 
PbO (% min)
99.5
Free Pb (% max)
0.1
Pb304 (% max)
0.06
Specific gravity
9.50
Apparent density (scott density) (g/ml)
1.6 - 2.0
Residue through 63um screen (% max) 
0.10
Volatile matter (% max)
0.20
Water insoluble in acetic acid (% max)
0.10
Water absorption
100 - 105 mg/gm
 

Resource:

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