Glossary entry

French term or phrase:

acide benzoïque étalon

English translation:

benzoic acid standard

Added to glossary by Carol Gullidge
Aug 18, 2007 22:05
16 yrs ago
French term

acide benzoïque étalon

French to English Tech/Engineering Patents used in bomb calorimeter to measure heat
Une prise d'essai du matériau, de masse déterminée est brûlée dans des conditions normalisées en présence d'oxygène et d'******acide benzoïque étalon****** si nécessaire, dans une bombe calorifique (équivalent en eau connu). Le pouvoir calorifique supérieur mesuré dans ces conditions, à volume constant, se calcule à partir de l'élévation de température constatée au moyen d'un calorimètre adiabatique automatique.

Later on, this is weighed:

1er essai
- Masse d'échantillon 0,1992 gramme
- Masse d'*****acide benzoïque étalon***** 0,4988 gramme
- Élévation de température 1,4390 °C

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It's the étalon that is particularly confusing me. Does anybody know what this is?

Many thanks!
Proposed translations (English)
4 +2 benzoic acid standard

Proposed translations

+2
8 mins
Selected

benzoic acid standard

Benzoic acid is used as a standard reference in bomb calorimetry.

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Note added at 1 hr (2007-08-18 23:46:09 GMT)
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Yes, it can be weighed, see IP-Chemist's comment
Note from asker:
Ah! That makes a lot more sense now! Thanks so much for such a speedy response, so late on a Saturday night. Now for another (dumb?) question: can this standard be weighed?
Peer comment(s):

agree IP-Chemist : forget my comment, as it makes things more complicate, benzoic acid was chosen as international standard in bomb calorimetry for some reasons such as easy to purify
1 hr
Thanks!
agree sktrans
6 hrs
Thanks!
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "Thanks so much, Anton. This fits perfectly! "
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