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FONCTION ACIDITE HAMMETT [1 record]
Record 1 - internal organization data 1998-02-18
Record 1, English
Record 1, Subject field(s)
- Analytical Chemistry
Record 1, Main entry term, English
- acidity function
1, record 1, English, acidity%20function
correct
Record 1, Abbreviations, English
- Ho 2, record 1, English, Ho
correct, see observation
Record 1, Synonyms, English
- Hammett acidity function 3, record 1, English, Hammett%20acidity%20function
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
... acidity function of L.P. Hammett. This defines an acidity in terms of the observed indicator ratio for a particular class of indicators, those which are uncharged in the basic form B. 4, record 1, English, - acidity%20function
Record number: 1, Textual support number: 1 OBS
H [subscript] o. 5, record 1, English, - acidity%20function
Record 1, French
Record 1, Domaine(s)
- Chimie analytique
Record 1, Main entry term, French
- fonction d'acidité
1, record 1, French, fonction%20d%27acidit%C3%A9
correct, feminine noun
Record 1, Abbreviations, French
- H 1, record 1, French, H
correct, see observation, masculine noun
Record 1, Synonyms, French
- fonction d'acidité de Hammett 2, record 1, French, fonction%20d%27acidit%C3%A9%20de%20Hammett
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
[...] on a introduit la fonction d'acidité H (Hammett), définie de façon analogue au pH (...) Pour la mesurer, en milieu alcalin par exemple, [...] on ajoute une petite quantité d'indicateur et on mesure la proportion de forme ionisée par spectrophotométrie dans un mélange donné. 1, record 1, French, - fonction%20d%27acidit%C3%A9
Record number: 1, Textual support number: 1 OBS
Ne pas confondre avec "fonction acide" définie (Encycl. Quillet, 1977, vol. 7, p. 45) comme l'ensemble des propriétés dont jouit la solution aqueuse d'un acide : saveur piquante, action sur les indicateurs colorés, neutralisation des bases, attaque des métaux, estérification des alcools, etc. 3, record 1, French, - fonction%20d%27acidit%C3%A9
Record number: 1, Textual support number: 2 OBS
Le symbole représentant la fonction d'acidité est un H majuscule surmonté d'un trait. 3, record 1, French, - fonction%20d%27acidit%C3%A9
Record 1, Spanish
Record 1, Textual support, Spanish
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