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PBO [4 records]

Record 1 2011-08-26

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
DEF

An oxide of lead made by controlled heating of metallic lead having the formula PbO or OPb, appearing under the form of yellow crystals, insoluble in water, soluble in acids and alkalies, used chiefly in making plates for lead-lead acid cells, in compounding rubber, in glass, glazes, paints, varnishes and vitreous enamels, and in the manufacture of other lead compounds.

OBS

Commercial grades are yellow to reddish, depending on treatment and purity.

OBS

Not to be confused with "massicot" (q.v.), which refers to the natural lead monoxide (lead ocher).

OBS

litharge: This term is sometimes used broadly as a synonym for lead monoxide, but it refers specifically to lead monoxide obtained in flake or powdered form by processes carried out at temperatures above the melting point of the oxide.

OBS

lead monoxide: obsolete form.

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
CONT

Le monoxyde [de plomb] PbO [ou OPb], préparé par chauffage du métal à l'air, est appelé, suivant son aspect, «massicot» ou «litharge»; c'est un oxyde basique [...]

OBS

monoxyde de plomb : forme vieillie.

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
DEF

Sólido cristalino amarillo, insoluble en agua, soluble en ácidos y álcalis. Tóxico por ingestión e inhalación.

Save record 1

Record 2 2011-03-14

English

Subject field(s)
  • Chemical Elements and Compounds
  • Paints and Varnishes (Industries)
Universal entry(ies)
PbSO4·PbO
formula, see observation
OBS

dilead oxide sulfate: form recommended by the International Union of Pure and Applied Chemistry (IUPAC).

OBS

Chemical formula: PbSO4·PbO

OBS

basic lead sulfate; basic sulfate white lead; sublimed white lead: terms officially approved by the Lexicon Project Committee (New Brunswick).

French

Domaine(s)
  • Éléments et composés chimiques
  • Peintures et vernis (Industries)
Entrée(s) universelle(s)
PbSO4·PbO
formula, see observation
OBS

oxyde sulfate de diplomb : forme recommandée par l'Union internationale de chimie pure et appliquée (UICPA).

OBS

Formule chimique : PbSO4·PbO

OBS

sulfate basique de plomb : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

Spanish

Save record 2

Record 3 2011-01-24

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
DEF

A yellow, orthorhombic mineral.

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
DEF

Oxyde naturel de plomb [...], de système orthorhombique, de couleur jaune à rouge.

OBS

Le massicot a les mêmes propriétés chimiques que la litharge.

Spanish

Save record 3

Record 4 1994-05-13

English

Subject field(s)
  • Organizations, Administrative Units and Committees
OBS

UNESCO

French

Domaine(s)
  • Organismes, unités administratives et comités
OBS

UNESCO

Spanish

Campo(s) temático(s)
  • Organismos, unidades administrativas y comités
OBS

UNESCO.

Save record 4

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