
Gold assay certificates are not paperwork they are the legal and technical bridge between raw material and global market acceptance. In African gold export, these documents determine whether a shipment is paid for or rejected. AFRICA GOLD ensures every certificate meets three non-negotiable standards: accreditation, specificity, and physical linkage to the gold itself.
What Makes a Valid Assay Certificate?
A legitimate certificate must include:
- Lab Accreditation Number (e.g., PMMC-approved, SABS-registered, or ISO 17025 certified)
- Unique Sample ID matching chain-of-custody logs and seal numbers
- Exact Fineness (e.g., “999.9” – not “approx. 99%”)
- Authorized Signature and wet-ink stamp from a verified assayer
- Date of Test and method used (fire assay only)
Digital copies or unsigned PDFs are universally rejected by refineries.

Why Accreditation Is Non-Negotiable
Not all labs are equal. AFRICA GOLD uses only:
- Ghana: Labs approved by the Precious Minerals Marketing Corporation (PMMC)
- South Africa: Facilities registered with the South African Bureau of Standards (SABS)
- South Sudan: Mobile units certified to ISO 17025 under dual ministry oversight
Refineries in Dubai, Shanghai, and New York cross-check these accreditation numbers before accepting shipments.
The Link Between Certificate and Cargo
The certificate must travel with the gold—and match it exactly. During airport handover at Kotoka, OR Tambo, or Juba, customs officials verify:
- Seal number on container = sample ID on certificate
- Weight on certificate = weight on air waybill
- Assayer signature = registry at issuing lab
Any mismatch causes immediate hold.

Common Pitfalls Buyers Must Avoid
- Accepting generic templates with no accreditation number
- Relying on emailed PDFs instead of original prints
- Ignoring mismatched sample IDs or weights
AFRICA GOLD rejects these internally so buyers never see them.
Conclusion
Assay certificates work when they are specific, accredited, and physically tied to the gold. In African trade, this isn’t bureaucracy it’s the mechanism that turns local output into global value. For buyers, verifying these documents isn’t optional it’s the final gate to payment.
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