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INORGANIC GAS [4 records]

Record 1 2012-04-11

English

Subject field(s)
  • Chemical Elements and Compounds

French

Domaine(s)
  • Éléments et composés chimiques

Spanish

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Record 2 - external organization data 2011-08-26

English

Subject field(s)
  • Chemical Elements and Compounds
  • Compartment - Canadian Nuclear Safety Commission
Universal entry(ies)
DEF

A chemical compound having the formula HF which appears under the form of a colorless, fuming gas or liquid, is very soluble in water, is derived by distillation from the reaction product of calcium fluoride and sulfuric acid, also from fluosilicic acid, and is used as a catalyst in alkylation, isomerization, condensation, dehydration, and polymerization reactions, as a fluorinating agent in organic and inorganic reactions, in the production of fluorine and aluminum fluoride, as an additive in liquid rocket propellants and in the refining of uranium.

OBS

Compare with "hydrofluoric acid", which is hydrogen fluoride in aqueous solution.

French

Domaine(s)
  • Éléments et composés chimiques
  • Tiroir - Commission canadienne de sûreté nucléaire
Entrée(s) universelle(s)

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
Entrada(s) universal(es)
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Record 3 2008-07-31

English

Subject field(s)
  • Chemical Elements and Compounds
DEF

An aqueous solution containing sodium hypochlorite and some sodium chloride, used as a [whitening agent] and disinfectant.

CONT

In effect, bleach solution is a whitening and disinfecting agent compose of water, sodium hypochlorite, sodium chloride, and soda, in a nonuniform manner. Solutions are marketed in two forms: concentrated bleach solution and diluted bleach solution in bottles. Poisoning from this product often occurs accidentally and particularly among children less than 5 years of age. Nonetheless, this poisoning may occur in adults, especially in the event the product is removed from its package or in a professional setting.

CONT

Commonly the most dangerous chemical found in a household, bleach is an inorganic aqueous solution of 5. 25% sodium hypochlorite. Bleach is a clear to yellowish liquid with a distinct chlorine like odor. Often mistakenly referred to as "chlorine bleach" because of its strong smell, bleach does not release a considerable amount of chlorine gas during its normal mode of action.

OBS

Javel water takes its name from the ancient village of Javel, now just one of Paris’ many neighbourhoods. In 1777, Count d’Artois founded the "Manufacture pour les Acides et Sels minéraux" in Javel, where the chemist Claude-Louis Berthollet worked. While searching for a method that would ease the work of washerwomen who had to whiten clothes by exposing them to sunlight, Berthollet came across a water solution that bleached cloth artificially, and he called it "eau de Javel."

OBS

Javel water [also means] a solution of potassium hypochlorite now little used.

French

Domaine(s)
  • Éléments et composés chimiques
DEF

Mélange d'hypochlorite et de chlorure de sodium utilisé comme décolorant, désinfectant, microbicide, etc.

OBS

Claude Louis BERTHOLLET [...] étudia également les propriétés du chlore (acide marin déphlogistiqué), ce qui le conduisit à la découverte de l'eau de Javel appelée à l'époque «lessive de BERTHOLLET». On l'a nommée javel car c'est à Javel, un ancien village, aujourd'hui un quartier de Paris, qu'on la fabriqua.

OBS

En 1820, le pharmacien Antoine Germain Labarraque étudie les qualités désinfectantes des dérivés chlorés et des hypochlorites de potassium et de sodium. Il met au point une solution de chlorure et d'hypochlorite de sodium qu'il appelle «liqueur de Labarraque». En 1900 on appelait eau de Javel l'hypochlorite de potassium, et eau de Labbaraque, l'hypochlorite de sodium. Plus tard, le procédé de fabrication a remplacé le potassium par le sodium, sans changement de nom.

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Save record 3

Record 4 1991-10-16

English

Subject field(s)
  • Air Pollution
  • Pollutants
  • Climatology
CONT

smoke air pollution. Small gas-borne particles resulting from incomplete combustion, consisting predominantly of carbon and other combustible materials, and present in sufficient quantities as to be observable independently of the presence of other solids.

CONT

Particulates : organic and inorganic particles-both observable and invisible-found in a dirty gas stream or smoke emission.

French

Domaine(s)
  • Pollution de l'air
  • Agents de pollution
  • Climatologie
CONT

La fumée désigne l'ensemble formé par les gaz de combustion et les particules qu'ils entraînent. Les Anglo-américains appellent "smoke" l'aérosol visible résultant d'une combustion, correspondant à des particules allant de 100 [micromètres] à moins de 10-1 micromètres.

Spanish

Save record 4

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