ISO-7358 › Historical Revision Information
Oils of Bergamot, Lemon, Citron & Lime, Fully or Partially Reduced in Bergapten - Determin

ISO-7358 - 1ST EDITION - SUPERSEDED
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ISO 7358 specifies a high-pressure liquid chromatographic (HPLC) method, using either an internal standard or external standard, for the determination of the bergapten content in oil of bergamot [Citrus aurantium ssp bergamia (Risso et Poit.) Wight et Arn. ex Engl.], in oil of lemon [Citrus limon (L.) Burm. f.], in oil of citron (Citrus bigaradia Risso), and in oil of lime [Citrus aurantifolia (Christm.) Swingle and Citrus latifolia Tanaka], all of them fully or partially reduced in bergapten.

For essential oils having a bergapten content greater than or equal to a mass fraction of 1 %, the internal standard method is applicable.

For essential oils having a bergapten content from a mass fraction of 0,1 % to 1 %, the external standard method is applicable.

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Document Number

ISO 7358:2002

Revision Level

1ST EDITION

Status

Superseded

Publication Date

Nov. 1, 2002

Committee Number

ISO/TC 54