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AMPHOLYTE [7 records]

Record 1 2012-01-19

English

Subject field(s)
  • Chemical Elements and Compounds
DEF

zwitterionic compounds; zwitterions: Neutral compounds having formal unit electrical charges of opposite sign.

OBS

[Examples:] H3N+CH2C(=O)O-, ammonioacetate (glycine), (CH3)3N+[—O- trimethylamine oxide.

OBS

Some chemists restrict the term to compounds with the charges on non-adjacent atoms. Sometimes referred to as inner salts, dipolar ions (a misnomer).

French

Domaine(s)
  • Éléments et composés chimiques
DEF

Composé neutre possédant des charges électriques formelles d'une unité et de signes opposés.

OBS

Par exemple : H3N+CH2C(=O)O-, ammonioacétate (glycyne); (CH3)3N+[—O-, oxyde de triméthylamine.

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Save record 1

Record 2 2011-09-15

English

Subject field(s)
  • Scientific Research Equipment

French

Domaine(s)
  • Matériel et équipement (Recherche scientifique)

Spanish

Save record 2

Record 3 2011-09-13

English

Subject field(s)
  • Scientific Research Equipment

French

Domaine(s)
  • Matériel et équipement (Recherche scientifique)

Spanish

Save record 3

Record 4 2011-07-21

English

Subject field(s)
  • Chemistry

French

Domaine(s)
  • Chimie

Spanish

Save record 4

Record 5 2011-06-14

English

Subject field(s)
  • Scientific Research Equipment
  • Electrolysis (Electrokinetics)

French

Domaine(s)
  • Matériel et équipement (Recherche scientifique)
  • Électrolyse (Électrocinétique)

Spanish

Save record 5

Record 6 2011-06-14

English

Subject field(s)
  • Scientific Research Equipment
  • Electrolysis (Electrokinetics)

French

Domaine(s)
  • Matériel et équipement (Recherche scientifique)
  • Électrolyse (Électrocinétique)

Spanish

Save record 6

Record 7 2001-01-18

English

Subject field(s)
  • Chemistry
DEF

A substance that can ionize to form either anions or cations and thus may act as either an acid or a base.

OBS

amphoteric: Having both acidic and basic characteristics.

French

Domaine(s)
  • Chimie
DEF

Espèce chimique qui peut se comporter [...] soit en acide (donneur de Ht), soit en base (accepteur de Ht) en présence d'un acide.

OBS

Ampholyte : terme dérivé de ampho[tère] et électro[lyte].

Spanish

Campo(s) temático(s)
  • Química
Save record 7

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