This International Standard describes a method for determining the residual traces of benzene in essential oils and aromatic extracts, using static headspace gas chromatography. It applies to residual contents of around 10 × 10 (10 ppm) in the analysed product.
BS ISO 14714:2001 history
2001BS ISO 14714:2001 Essential oils and aromatic extracts - Determination of residual benzene content