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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

ParameterSpecificationMethod
AppearanceWaxy oil to viscous yellow-amber liquidVisual
ColorPale yellow to golden amberVisual / Gardner scale
Relative density (20°C)0.900–0.970ISO 279 / GB/T 11540
Refractive index (20°C)1.470–1.520ISO 280 / GB/T 14454.4
Acid value≤2.0 mg KOH/gISO 1242 / GB/T 14455.5
Peroxide value≤5 meq/kgISO 3960:2017
Moisture & volatile content≤0.5%ISO 939 / ChP 2204
Pesticide residuesChP 2020, GC-MS (under LOQ)ChP 2203
Heavy metalsPb ≤5, Cd ≤0.3, As ≤2, Hg ≤0.2, Cu ≤20 mg/kgChP 2302 / ICP-MS
Shelf life36 monthsStability 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

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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.