Public reference specification
| Parameter | Published reference | How to verify |
|---|---|---|
| Purity | min 99 % | Check and record against the agreed specification |
| Colour | Natural yellow brown | Check and record against the agreed specification |
| Moisture | max 10 % | Request a laboratory test tied to the identified sample or lot |
| Total ash, dry basis | max 8.5 % | Request a laboratory test tied to the identified sample or lot |
| Acid-insoluble ash, dry basis | max 1.5 % | Request a laboratory test tied to the identified sample or lot |
| Volatile oil, dry basis | min 2 ml / 100 g | Request a laboratory test tied to the identified sample or lot |
| Foreign matter | No public default; confirm the limit in the agreed specification | Request a physical check of the identified sample or lot |
| Sulfur dioxide (SO₂) | No public default; confirm the destination limit and test scope | Confirm the requirement, then request the matching laboratory test |
| Origin | Xinjiang principally; Inner Mongolia or Gansu may apply to the offered lot | Check the supplier record and lot identity |
| Form | Whole seeds | Match the identified sample to the written order |
| Packaging | 25 kg lined PP bag with buyer-approved export marks | Match the packing specification to the packing check |
Public reference values for specification discussions, not current-lot results. Confirm the agreed limits and the identified sample or lot evidence before ordering.