ISO 7356:1985
w
ISO 7356:1985
14043

Abstract 

A small quantity of the oils is analyzed under specified conditions. The alpha- and beta-thujone contents are determined by using the internal standard or addition method. As stationary phase are used cyanopropyl methylphenyl methyl silicone, or trifluoropropylmethyl silicone, or polyethylene glycol 1500. Operating temperatures: Oven: isotherm about 100 °C when using cyanopropyl methylphenyl methyl silicone or trifluoropropylmethyl silicone; isotherm about 130-°C when using polyethylene glycol 1500. Injection system and detector: about 170 °C.


General information 

  •  :  Withdrawn
     : 1985-12
  •  : 1
     : 4
  •  : ISO/TC 54 Essential oils
  •  :
    71.100.60 Essential oils

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