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CRUDE NAPHTHALENE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2000-09-26

English

Subject field(s)
  • Petroleum Distillation
  • Chemical Elements and Compounds
DEF

Products obtained after distilling off various fractions from crude benzole or from light oils from coal tar. Generally they distil above 200°C. They may contain such impurities as naphthalene, phenol, pyridine bases and also a small proportion of benzole absorbing oil used for the extraction of the crude benzole, and some resin-forming products. They are often coloured. [Definition standardized by ISO. ]

OBS

distillation tails; residue: terms standardized by ISO.

OBS

distillation tails: term rarely used in the singular (distillation tail).

Key term(s)
  • distillation tail

French

Domaine(s)
  • Distillation du pétrole
  • Éléments et composés chimiques
DEF

Produits obtenus après distillation des diverses fractions du benzol brut ou des huiles légères de goudron de houille. Ils passent en général à la distillation au-delà de 200 °C. Ils peuvent contenir des impuretés telles que naphtalène, phénols, bases pyridiques, et aussi une petite proportion de l'huile de débenzolage entraînée lors de l'extraction du benzol brut ainsi que des composés résinifiables. Ils sont souvent colorés. [Définition normalisée par l'ISO.]

OBS

queues de distillation; résidu : termes normalisés par l'ISO.

OBS

queues de distillation : terme rarement utilisé au singulier (queue de distillation).

Key term(s)
  • queue de distillation

Spanish

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