Auris Noble's Environmental Policies
Products
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Gold
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Silver
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Platinum
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Palladium
Services
Assay
We use the following methodologies for metals analysis:
- Wavelength Dispersive X-ray fluorescence (XRF) for slag and bulk metals analysis
- Inductively Coupled Plasma Atomic Emission Spectrophotometry (ICP-AES) for trace metals analysis
- Atomic Absorbance Spectrophotometry (AAS) for trace metals analysis
- Correct Fire Assay
- Classical wet chemistry and gravimetry for especially difficult samples.
Recovery
We utilize the following methods as part of our recovery program:
- Smelting
- Stripping/deplating
- Leaching
- Physical abrasion
- Plating solution cementation
Refining
We process gold, silver, platinum, palladium, rhodium, iridium, ruthenium, osmium, and rhenium as part of our refining and recovery activities.
- Homogenization of alloys
- Pyrometallurgy
- Hydrometallurgy
- Solvent extraction

![[Most Recent Quotes from www.kitco.com]](http://www.kitconet.com/charts/metals/gold/t24_au_en_usoz_2.gif)
![[Most Recent Quotes from www.kitco.com]](http://www.kitconet.com/charts/metals/silver/t24_ag_en_usoz_2.gif)
![[Most Recent Quotes from www.kitco.com]](http://www.kitconet.com/charts/metals/platinum/t24_pt_en_usoz_2.gif)
![[Most Recent Quotes from www.kitco.com]](http://www.kitconet.com/charts/metals/palladium/t24_pd_en_usoz_2.gif)