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Delivering faster, safer, and more accurate gold analysis, Chrysos PhotonAssay™ is an environmentally-friendly replacement for fire assay on-site and in the laboratory.
Hitting samples with high-energy X-rays, PhotonAssay™ causes excitation of atomic nuclei allowing enhanced analysis of gold, silver, copper and other elements in as little as two minutes.
The Physics of Chrysos PhotonAssay™
Understand the science driving PhotonAssay’s success across the industry.
PhotonAssay™ versus Fire Assay
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Fire Assay
PhotonAssay™
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Time per sampleFire Assay ~3–4 hoursPhotonAssay™ ~2 minutes
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Sample sizeFire Assay 10–50 gramsPhotonAssay™ 400–650 grams
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CO₂ per sampleFire Assay 0.91 kgPhotonAssay™ 0.455 kg
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Hazardous waste per sampleFire Assay 0.31 kgPhotonAssay™ 0 kg
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Energy use per sampleFire Assay ~1.3 kWhPhotonAssay™ ~0.65 kWh
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AutomationFire AssayPhotonAssay™
Through rapid turnaround on high sample volumes, PhotonAssay™ provides timely quantitative data, drives optimisation through the value chain, and delivers the operational outcomes that matter to miners and laboratories.
- Higher volume, lower cost
- Increased market share
- Unique, fully automated labs
- Reduced human error
- Enhanced QA/QC
- Enhanced QA/QC
- Optimised gold recovery
- Reduced gold lost to dumps and tailings
- Improved reliability and accuracy
- Higher margins