TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

SULFITE ACIDE [6 records]

Record 1 2011-08-26

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
HNO5S
formula, see observation
NO2HSO3
formula, see observation
NO-SO4H
formula, see observation
7782-78-7
CAS number
DEF

A chemical compound which appears under the form of a straw-colored, oily liquid furnished as a 40% solution in 87% sulfuric acid, which is stable at room temperature, and which is used as a diazotizing agent for dyes, a chemical intermediate, for bleaching cereal milling products and in drugs and pharmaceuticals.

OBS

Chemical formula: HNO5S or NO2HSO3 or NO-SO4H

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
HNO5S
formula, see observation
NO2HSO3
formula, see observation
NO-SO4H
formula, see observation
7782-78-7
CAS number
OBS

Formule chimique : HNO5S ou NO2HSO3 ou NO-SO4H

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
HNO5S
formula, see observation
NO2HSO3
formula, see observation
NO-SO4H
formula, see observation
7782-78-7
CAS number
OBS

Fórmula química: HNO5S o NO2HSO3 o NO-SO4H

Save record 1

Record 2 2011-05-17

English

Subject field(s)
  • Food Additives
  • Medication
  • Pulp Preparation (papermaking)
Universal entry(ies)
NaHSO3
formula, see observation
7631-90-5
CAS number
DEF

Powder or crystals with a disagreeable odor, used as an antiseptic and bleaching agent for various food products (including wine and beer). Also used in photography, the paper industry, pharmacy, etc.

OBS

The sodium bisulfite is also a reducing agent which has a mild brightening effect on pulp.

OBS

Chemical formula: NaHSO3

French

Domaine(s)
  • Additifs alimentaires
  • Médicaments
  • Préparation de la pâte à papier
Entrée(s) universelle(s)
NaHSO3
formula, see observation
7631-90-5
CAS number
DEF

Poudre ou cristaux d'odeur repoussante employés comme antiseptique et agent de blanchiment pour diverses denrées alimentaires (dont le vin et la bière). On s'en sert aussi en photographie, papeterie, pharmacie, etc.

OBS

Le sulfite acide de sodium est utilisé entre autres comme antiseptique dans les fermentations, comme agent de blanchiment, en teinture, comme agent réducteur dans le domaine de la fabrication de la pâte à papier.

OBS

Formule chimique : NaHSO3

Key term(s)
  • bisulfite de soude
  • disulfite de sodium

Spanish

Campo(s) temático(s)
  • Aditivos alimentarios
  • Medicamentos
  • Preparación de la pasta (fabricación de papel)
Entrada(s) universal(es)
NaHSO3
formula, see observation
7631-90-5
CAS number
OBS

Fórmula química: NaHSO3

Save record 2

Record 3 2001-09-25

English

Subject field(s)
  • Chemical Elements and Compounds
  • Pharmacy
Key term(s)
  • acid sulfite

French

Domaine(s)
  • Éléments et composés chimiques
  • Pharmacie
OBS

bisulfite : Nom parfois donné aux hydrogénosulfites MHO3, où M désigne un métal alcalin.

Spanish

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

Record 4 1998-04-25

English

Subject field(s)
  • Pulp Preparation (papermaking)
DEF

A pulp manufacturing process using a mixture of bisulfite salt and excess sulfurous acid as the cooking chemical for the digestion of wood to pulp. Also, its associated operations of manufacturing, recovery, and refortification of these cooking chemicals which can be calcium, ammonia, magnesium, or sodium based.

Key term(s)
  • acid sulphite pulping
  • acid bisulfite process
  • acidic sulphite process

French

Domaine(s)
  • Préparation de la pâte à papier
CONT

Les procédés au bisulfite sont nombreux. On les classe suivant la base employée, c'est-à-dire le cation (calcium, sodium, magnésium, ammonium) associé à l'anion sulfite, et suivant le degré d'acidité de la liqueur. [...] Procédés au bisulfite acide ou procédés au sulfite acide («acid sulphite process, acid bisulphite process») : la liqueur bisulfitique est rendue très acide par la présence d'un grand excès de SO2 en solution; pH 1 à 2. Bases : calcium, magnésium, ammonium.

Spanish

Save record 4

Record 5 1976-06-19

English

Subject field(s)
  • Chemistry

French

Domaine(s)
  • Chimie
OBS

(14)

Spanish

Save record 5

Record 6 1976-06-19

English

Subject field(s)
  • Chemical Elements and Compounds

French

Domaine(s)
  • Éléments et composés chimiques

Spanish

Save record 6

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