Résumé

Relates to C6 to C13 alcohols. The principle consists in distillation of a test portion, under carefull defined conditions. For measurement of distillation intervals not greater than 5 °C, the thermometer hsall be graduated at intervals of 0,2 °C; for intervals greater than 5 °C, the thermometer shall be graduated at intervals of 0,5 °C. Adjusting the rate of heating so that the first drop of distillate falls from the end of the condenser after 15 to 20 min. ISO 1843/7 cancels and replaces ISO Recommendation R 1845-1970, of which it constitutes a technical revision.


Informations générales 

  • État actuel
     : Annulée
    Date de publication
     : 1982-06
  • Edition
     : 1
    Nombre de pages
     : 2
  • Comité technique
     : ISO/TC 47 Chimie
  • ICS
     :
    71.080.60 Alcools. Éthers

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  4. ICS
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  8. ISO 1843-7:1982