Counterfeit and low-quality mercury products have flooded the market, posing serious risks to buyers worldwide. From poor performance in industrial applications to significant safety hazards and regulatory violations, using unverified mercury can cost you time, money, and reputation.

For those purchasing ultra-pure silver mercury (99.999%), it’s critical to know how to authenticate the product before purchase. Reliable verification protects your operations and ensures compliance with international safety standards.

Cavin Resource supplies 99.999% pure silver mercury with full traceability, independent testing, and verified export documentation, trusted by industries globally.

Why Verification of Mercury Purity Is Vital

High-purity mercury is essential for applications such as gold amalgamation, scientific research, chemical synthesis, and instrument calibration. Even minor impurities can alter its physical and chemical properties, causing inconsistent results or equipment damage.

Poor-quality mercury may contain:

• Heavy metals or trace contaminants affecting chemical reactions
• Impurities leading to toxic emissions during processing
• Non-uniform density compromising precision instruments

Verifying purity safeguards product performance, user safety, and regulatory compliance.

How Purity is Tested: Key Methods and Standards

Certificate of Analysis (COA) vs SGS Lab Testing: A COA certifies mercury purity based on manufacturer tests, while SGS provides independent third-party verification, offering additional buyer assurance.

• Density Testing: Mercury’s density (~13.534 g/cm³ at 20°C) is measured to detect contamination.
• Trace Element Analysis: Spectrometry identifies impurities to ensure industrial-grade quality.
• Visual Inspection: Pure mercury appears bright silver, free from discoloration or particulates.
• Chemical Reactivity Tests: Acid responsiveness and weight consistency confirm purity and identity.

Certifications and Documentation That Matter

• ISO Certification: Guarantees factory quality management and production standards.
• SGS Reports: Independent lab validation of chemical composition.
• Traceable Batch Numbers: Ensures each shipment can be linked to specific lab results.
• SDS and Export Documents: Must align with purity claims for legal compliance and safe transport.

Cavin Resource’s Quality Assurance & Supply Standards

Every order of 99.999% Silver Mercury from Cavin Resource includes:

• Photo samples of each batch with unique seals
• Secure packaging in sealed steel flasks
• Complete paperwork bundle: COA, SDS, SGS, and export documentation
• Direct factory supply — no unverified resellers

We stand out by supplying factory-verified mercury with full traceability and quality assurance.

Risks of Buying from Unverified Sources

• Receiving diluted or contaminated mercury
• Missing official testing and COA documentation
• Unsafe or non-compliant packaging
• Regulatory violations leading to shipment seizures or fines
• Loss of reputation and operational downtime

Best Practices When Testing Mercury Purity Yourself

• Use precision density meters to confirm physical properties
• Conduct trace element analysis using ICP-MS or equivalent
• Compare samples against certified reference materials
• Follow strict safety protocols due to mercury toxicity

How to Request Purity Verification from Suppliers

• Request latest batch COA with lab signatures
• Ask for SGS third-party lab certificates
• Demand SDS and safe handling documentation
• Request photos of batch labels and packaging
• Verify export compliance and customs paperwork

Ordering and MOQ Details

• Sample sizes available for testing (1kg vials)
• Bulk orders shipped in 34.5kg sealed steel flasks
• OEM/private label packaging available for distributors
• International delivery with customs clearance support

Related Resources and Further Reading

• Silver Mercury Price Per Kilo in 2025
• How to Verify 99.999% Silver Mercury Before You Buy
• Silver Mercury vs Red Mercury – Myths and Facts

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