Ash containing precious metal or precious metal compounds
Waste and scrap of precious metal or of metal clad with precious metal; other waste and scrap containing precious metal or precious metal compounds, of a kind used principally for the recovery of precious metal other than goods of heading 8549: > Ash containing precious metal or precious metal compounds
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified 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.
Silver Refinery Ash with Precious Metal Compounds
Ash produced in silver refining processes containing silver compounds and minor gold/platinum impurities, designed for precious metal reclamation. Falls under 7112.30.01.00 as 'other waste and scrap containing precious metal compounds' per note 5(c).
Dental Lab Gold Alloy Incineration Ash
Ash from incinerating dental prosthesis trimmings and grindings containing gold alloys (≥2% gold by weight per note 5(b)). Principally used for gold recovery in precious metal refineries.
Rhodium-Platinum Alloy Recovery Ash
Specialty ash from high-temperature processing of rhodium-platinum alloys used in thermocouples and glass manufacturing, containing ≥2% platinum per note 5(a).
Palladium Electroplating Bath Ash Residue
Ash residue from evaporating and incinerating palladium electroplating rinse waters and sludges, used for palladium recovery. Contains precious metal compounds qualifying under 7112.30.01.00.
Mixed Precious Metal Filter Cake Ash
Incinerated filter cake ash from precious metal refining precipitation filters, containing mixed gold, silver, and PGM compounds for recovery.
Jewelry Sweepings Incineration Ash
Ash from burning floor sweepings and dust from gold/silver jewelry workshops, rich in precious metal particulates and compounds.
PGM Thermocouple Recycling Ash
Ash from processing scrapped platinum-rhodium thermocouples in industrial furnaces, used for PGM recovery.
Gold Cyanidation Tailings Ash
Dried and ashed tailings from gold cyanidation leaching processes containing residual gold compounds for further recovery.
Silver Photographer's Hypo Ash
Incinerated ash from spent photographic fixer solutions (hypo) containing dissolved silver halides for silver recovery.