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P-TOLUALDEHYDE [1 record]
Record 1 - internal organization data 2004-06-23
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
Record 1, Main entry term, English
- p-tolualdehyde
1, record 1, English, p%2Dtolualdehyde
see observation
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
p-tolualdehyde : term adopted by Environment Canada; used in the list of pollutants measured in the National Air Pollution Surveillance Network (NAPS). 2, record 1, English, - p%2Dtolualdehyde
Record number: 1, Textual support number: 2 OBS
The prefixes "ortho-", "meta-" and "para-", along with their corresponding abbreviations ("o-", "m-" and "p-"), appear in italics and are ignored in alphabetizing. According to the actual chemical nomenclature rules in organic chemistry (in 2003), the numbers designating the positions of the disubstitution groups (1,2- for "ortho-", 1,3- for "meta-" and 1,4- for "para-") are to be preferred to the symbols "o-", "m-" and "p-". Furthermore, the prefixes "ortho- ", "meta-" and "para-" should not be used anymore, and their corresponding abbreviations ("o-", "m-", and "p-") will soon be judged to be avoided, if not totally condemned. 2, record 1, English, - p%2Dtolualdehyde
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
Record 1, Main entry term, French
- p-tolualdéhyde
1, record 1, French, p%2Dtoluald%C3%A9hyde
see observation, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
p-tolualdéhyde : terme retenu par Environnement Canada; utilisé dans la liste des polluants mesurés par le Réseau national de surveillance de la pollution atmosphérique (RNSPA). 2, record 1, French, - p%2Dtoluald%C3%A9hyde
Record number: 1, Textual support number: 2 OBS
Les préfixes de position «ortho-», «méta-» et «para-», tout comme les abréviations correspondantes «o-», «m-» et «p-», s'écrivent en italique et n'interviennent pas dans une classification par ordre alphabétique. Selon les règles de nomenclature de chimie organique en vigueur aujourd'hui (en 2003), il est recommandé d'utiliser les chiffres 1,2-, 1,3- et 1,4-, respectivement. Les préfixes «ortho-», «méta-» et «para-» ne doivent plus être utilisés. L'usage des symboles correspondants («o-», «m-» et «p-») sera bientôt fortement déconseillé, sans être exclu. 2, record 1, French, - p%2Dtoluald%C3%A9hyde
Record 1, Spanish
Record 1, Textual support, Spanish
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