Guide to Verifying Essential Oil Quality

Explore AromaWeb's 10-part guide for an overview of the quantitative and subjective testing methods that are used to assess the quality and purity of essential oils.
- Part 1:
Introduction - Part 2:
Why Is the Quality/Purity of an Essential Oil Important? - Part 3:
Aren't Most Essential Oils Pure? - Part 4:
Constituents - What do Essential Oils Consist Of? - Part 5:
Quality vs. Purity - Aren't They the Same Thing? - Part 6:
Quantifiable Testing of Essential Oils - Part 7:
GC-MS Test Results - How Can They Be Used? - Part 8:
Organoleptic Testing of Essential Oils - Part 9:
Other Quantifiable Tests for Testing the Quality and Purity of Essential Oils - Part 10:
Essential Oil Quality and Purity Conclusion: Final Questions/Answers - Also See:
Essential Oil Adulteration