Definition of litharge. Meaning of litharge. Synonyms of litharge

Here you will find one or more explanations in English for the word litharge. Also in the bottom left of the page several parts of wikipedia pages related to the word litharge and, of course, litharge synonyms and on the right images related to the word litharge.

Definition of litharge

litharge
Massicot Mas"si*cot, n. [F. massicot; E. masticot is a corruption.] (Chem.) Lead protoxide, PbO, obtained as a yellow amorphous powder, the fused and crystalline form of which is called litharge; lead ocher. It is used as a pigment.
Litharge
Litharge Lith"arge, n. [OE. litarge, F. litharge, L. lithargyrus, Gr. ? the scum or foam of silver; li`qos stone + ? silver. Litharge is found in silverbearing lead ore.] (Chem.) Lead monoxide; a yellowish red substance, obtained as an amorphous powder, or crystallized in fine scales, by heating lead moderately in a current of air or by calcining lead nitrate or carbonate. It is used in making flint glass, in glazing earthenware, in making red lead minium, etc. Called also massicot.

Meaning of litharge from wikipedia

- Litharge (from Gr**** lithargyros, lithos 'stone' + argyros 'silver' λιθάργυρος) is one of the natural mineral forms of lead(II) oxide, PbO. Litharge is...
- compound with the molecular formula PbO. PbO occurs in two polymorphs: litharge having a tetragonal crystal structure, and m****icot having an orthorhombic...
- galena ores, is a bright yellow pigment; Lead ochre or litharge: 548  — α-PbO,: 393  lead litharge, stable up to a temperature of 489°C, red crystals, is...
- prevents the needed absorption of litharge, whereas calcareous materials do not react with lead. Some of the litharge evaporates, and the rest is absorbed...
- and tetragonal. The red tetragonal form is called litharge. PbO can be changed from m****icot to litharge (or vice versa) by controlled heating and cooling...
- PbO Litharge – lead monoxide, formed by fusing and powdering m****icot. Minium/Red Lead – trilead tetroxide, Pb3O4; formed by roasting litharge in air...
- (Pb) and oxygen (O). Common lead oxides include: Lead(II) oxide, PbO, litharge (red), m****icot (yellow) Lead tetroxide or red lead, Pb3O4, minium, which...
- exists in two polymorphs, litharge α-PbO (red) and m****icot β-PbO (yellow), the latter being stable only above around 488 °C. Litharge is the most commonly...
- has been found - such as the litharge fragments and cakes. "Pieces of charcoal found in one of the furnaces in which litharge fragments were found provided...
- Yang Qi Shi, 阳起石) is used to treat impotence in TCM. Due to galena's (litharge, lead(II) oxide) high lead content, it is known to be toxic. Lead, mercury...