Reference number
ISO 7357:1985
© ISO 2025
ISO 7357:1985
Oil of calamus — Determination of cis-beta-asarone content — Gas chromatographic method on packed columns
Edition 1
1985-12
Withdrawn
Withdrawn (Edition 1, 1985)

Abstract

A small quantity of the oil is analyzed under specified conditions. The cis-beta-asarone contents is determined by using the internal standard or addition method. As stationary phase polyethylene glycol 20000 is used. Operating temperatures: Oven: isotherm about 190 °C. Injection system and detector: about 170 °C.

General information

  • Status
     : Withdrawn
    Publication date
     : 1985-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 54
    ICS :
    71.100.60 
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