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SUBSTANCE REACTIVE [2 records]

Record 1 2001-10-18

English

Subject field(s)
  • Analytical Chemistry
  • Security
Key term(s)
  • chemically reactive substance

French

Domaine(s)
  • Chimie analytique
  • Sécurité
OBS

"réactif" (adjectif) : Se dit d'un corps qui entre facilement en réaction.

Key term(s)
  • substance chimiquement réactive

Spanish

Campo(s) temático(s)
  • Química analítica
  • Seguridad
DEF

La inestable, que puede descomponerse vigorosa o violentamente si se la expone a la fricción, presión, impacto o calor; la que es vigorosamente reactiva con aire o agua; la que exhibe otras propiedades de reactividad.

CONT

Una sustancia reactiva es aquella que al entrar en contacto con aire o agua, o a causa de un movimiento, sufre cambios químicos y físicos que pueden estar acompañados por la liberación repentina de energía. Esta reacción puede ir desde la efervescencia hasta una explosión violenta.

Save record 1

Record 2 1989-11-27

English

Subject field(s)
  • Chemical Elements and Compounds
  • Air Pollution
  • Chemistry
CONT

Concentrations of the shorter-lived constituents strongly depend on a number of parameters and vary considerably in the stratosphere, both in time and space. So little is known about reactive species such as atomic oxygen.

French

Domaine(s)
  • Éléments et composés chimiques
  • Pollution de l'air
  • Chimie
DEF

Substance susceptible d'entrer en réaction.

Spanish

Save record 2

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