Is a Certificate of Analysis provided with every batch?
Yes — every batch ships with a full Certificate of Analysis (COA) covering sensory, physicochemical, compositional (GC-MS), heavy-metal and safety parameters, all tied to the batch number for traceability.
COA Content
| Section | Parameters |
|---|---|
| Sensory | Appearance, color, odor |
| Physicochemical | Density, refractive index, acid value, ester value, solubility |
| Composition | GC-MS key compounds incl. phenylethyl alcohol content |
| Safety | Pb, As, residual solvent, microbiological (on request) |
| Identity | Batch number, production date, harvest origin, shelf life |
- COAs are issued in English; Chinese or other languages on request
- Retained samples of every batch are stored for at least 24 months for re-testing
- Third-party laboratory reports can be arranged for specific parameters if required
Give us your email and we will send a sample COA of the current batch.
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This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.
