Gold Cyanidation Tailings Ash
Dried and ashed tailings from gold cyanidation leaching processes containing residual gold compounds for further recovery.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If precious metal-bearing mining tailings
Chapter 26 covers mineral processing tailings principally not for metal recovery.
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Import Tips & Compliance
• Document low-grade gold content accurately; comply with cyanide residue regulations; separate from base metal tailings
Related Products under HTS 7112.30.01.00
Palladium Membrane Filter Ash
Ashed remains from hydrogen separation palladium membranes in gas purification systems.
Mixed PGM Anode Slime Ash
Incinerated anode slime ash from copper/nickel electrorefining containing PGMs and gold for recovery.
Gold Electroforming Waste Ash
Ash from electroforming process wastes containing gold strike and flash plating compounds.
Platinum Lab Crucible Ash
Ash residue from cleaning and incinerating platinum laboratory crucibles contaminated with precious metal traces.
Gold Recovery Ash from Jewelry Manufacturing
Fine ash residue generated during the incineration of jewelry workshop waste, containing gold compounds and trace precious metals used for recovery. Classified under HTS 7112.30.01.00 as ash principally used for precious metal extraction, not electronic scrap. Meets chapter notes for waste containing precious metal compounds over 2% by weight.
Platinum Catalyst Recovery Ash
Ash from burned-out automotive catalytic converters and chemical catalysts containing platinum group metals (PGMs) like platinum and palladium compounds. Used principally for PGM recovery; classified as 7112.30.01.00 per subheading notes defining platinum alloys.