ISO 7356:1985

Oils of thujone-containing Artemisia and oil of sage (Salvia officinalis Linnaeus) -- Determination of alpha- and beta-thujone content -- Gas chromatographic method on packed columns

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

  • Current status : Withdrawn
    Publication date : 1985-12
  • Edition : 1
  • :
    ISO/TC 54
    Essential oils
  • 71.100.60
    Essential oils

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