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PARTICULATE SULFATES [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-12-21

English

Subject field(s)
  • Chemical Elements and Compounds
  • Pollutants
CONT

By one route or another, man's SO2 emissions tend to be transformed to sulfuric acid, unless they are removed by dry deposition, washout and to a lesser extent, rainout near the sources, prior to oxidation. Particulate sulfates, including H2SO4 aerosol, has a much greater atmospheric lifetime than sulfur dioxide, since it has a substantially slower rate of dry deposition.

CONT

Ten countries set up a network of measuring stations where concentrations of sulfur dioxide and particulate sulfate in air and strong acid and sulfate in precipitation were determined.

OBS

particulate sulphate: term adopted by Environment Canada; used in the list of pollutants measured in the National Air Pollution Surveillance Network (NAPS). However, the IUPAC (International Union of Pure and Applied Chemistry) recommends the form "sulfate" rather than "sulphate."

OBS

More often used in the plural form (particulate sulfates).

OBS

particulate sulphate: term extracted from the “Glossaire de l’environnement” and reproduced with permission of the Organisation for Economic Co-operation and Development.

Key term(s)
  • particulate sulfates
  • particulate sulphates

French

Domaine(s)
  • Éléments et composés chimiques
  • Agents de pollution
CONT

[...] le LHVP [Laboratoire d'hygiène de la ville de Paris] mesure depuis une dizaine d'années la teneur atmosphérique en sulfates particulaires sur une base de temps de 24 heures; le prélèvement est effectué sur filtre en acétate de cellulose (47 mm) à un débit de 1,5 m³ par jour. Il s'agit donc d'un paramètre informatif de l'aérosol secondaire mais insuffisant en tant qu'indicateur d'impact sanitaire.

OBS

sulfate sous forme de particules : terme extrait du «Glossaire de l’environnement» et reproduit avec l’autorisation de l’Organisation de coopération et de développement économiques.

OBS

sulfate particulaire : terme retenu par Environnement Canada; utilisé dans la liste des polluants mesurés par le Réseau national de surveillance de la pollution atmosphérique (RNSPA).

OBS

Termes utilisés la plupart du temps au pluriel (sulfates particulaires; sulfates sous forme de particules), comme collectif.

Key term(s)
  • sulfates particulaires
  • sulfates sous forme de particules

Spanish

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