What are the full physicochemical properties of this Astragalus root oil?
The physicochemical data below is measured per batch and reported on the COA (ChP 2020 / ISO methods).
Physicochemical Specification
| Parameter | Specification | Method |
|---|---|---|
| Appearance | Waxy oil to viscous yellow-amber liquid | Visual |
| Color | Pale yellow to golden amber | Visual / Gardner scale |
| Relative density (20°C) | 0.900–0.970 | ISO 279 / GB/T 11540 |
| Refractive index (20°C) | 1.470–1.520 | ISO 280 / GB/T 14454.4 |
| Acid value | ≤2.0 mg KOH/g | ISO 1242 / GB/T 14455.5 |
| Peroxide value | ≤5 meq/kg | ISO 3960:2017 |
| Moisture & volatile content | ≤0.5% | ISO 939 / ChP 2204 |
| Pesticide residues | ChP 2020, GC-MS (under LOQ) | ChP 2203 |
| Heavy metals | Pb ≤5, Cd ≤0.3, As ≤2, Hg ≤0.2, Cu ≤20 mg/kg | ChP 2302 / ICP-MS |
| Shelf life | 36 months | Stability study |
- All values are release-tested; typical results are usually well inside the specification
- Batch-to-batch consistency: CO2 batches pass the full spec at 98.8% release rate
This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.