Purity of essential oils for cosmetics

Measuring the essential oil concentration or content

Essential oils are extracted from e.g. flowers etc. and are highly valuable. They are used in minor quantities in cosmetics to provide fragrance to cosmetics. Since essential oils are optically active, the polarimetric value can directly measure the content of specific essential oils using our polarimeter VariPol with small volume tubes. In combination with a refractometer the purity can be calculated automatically. When dissolved in alcohol the Schmidt + Haensch density meter can perform the analysis.

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