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 85.49. > Ash containing precious metal or precious metal compounds > Ash containing precious metal or precious metal compounds
Duty Rate (from China)
Products classified under Tariff item 7112.30.00
Dental Lab Gold Alloy Incineration Ash
Ash produced by incinerating dental prosthesis trimmings and grindings that contain gold alloys with at least 2% gold by weight. This ash is used principally for gold recovery in precious metal refineries, making it classifiable under tariff item 7112.30.00 as ash containing precious metal compounds.
Gold Cyanidation Tailings Ash
Dried and ashed tailings from gold cyanidation leaching processes that contain residual gold compounds. These tailings are processed further for gold recovery, and the ash falls under tariff item 7112.30.00 as ash containing precious metal compounds.
Gold Electroforming Waste Ash
Ash generated from electroforming process wastes that contain gold strike and flash plating compounds. This ash is used for gold recovery and is classified under tariff item 7112.30.00 as ash containing precious metal compounds.
Gold Recovery Ash from Jewelry Manufacturing
Fine ash residue from incinerating jewelry workshop waste, containing gold compounds and trace precious metals. This ash is used principally for precious metal recovery and is classified under tariff item 7112.30.00 as ash containing precious metal compounds.
Jewelry Sweepings Incineration Ash
Ash from burning floor sweepings and dust from gold and silver jewelry workshops, rich in precious metal particulates and compounds. This ash is used for precious metal recovery and falls under tariff item 7112.30.00.
Mixed PGM Anode Slime Ash
Incinerated anode slime ash from copper or nickel electrorefining that contains platinum group metals and gold. This ash is used principally for precious metal recovery and is classified under tariff item 7112.30.00.
Mixed Precious Metal Filter Cake Ash
Incinerated filter cake ash from precious metal refining precipitation filters, containing mixed gold, silver, and PGM compounds. This ash is used for precious metal recovery and falls under tariff item 7112.30.00.
Palladium Electroplating Bath Ash Residue
Ash residue from evaporating and incinerating palladium electroplating rinse waters and sludges, used for palladium recovery. This ash contains precious metal compounds and is classified under tariff item 7112.30.00.
Palladium Membrane Filter Ash
Ashed remains from hydrogen separation palladium membranes used in gas purification systems. This ash contains palladium compounds and is used for palladium recovery, falling under tariff item 7112.30.00.
PGM Thermocouple Recycling Ash
Ash from processing scrapped platinum-rhodium thermocouples in industrial furnaces, used for PGM recovery. This ash contains platinum group metal compounds and is classified under tariff item 7112.30.00.
Platinum Catalyst Recovery Ash
Ash from burned-out automotive catalytic converters and chemical catalysts containing platinum group metals like platinum and palladium compounds. This ash is used principally for PGM recovery and falls under tariff item 7112.30.00.
Platinum Lab Crucible Ash
Ash residue from cleaning and incinerating platinum laboratory crucibles contaminated with precious metal traces. This ash is used for platinum recovery and is classified under tariff item 7112.30.00.
Rhodium-Platinum Alloy Recovery Ash
Specialty ash from high-temperature processing of rhodium-platinum alloys used in thermocouples and glass manufacturing, containing at least 2% platinum by weight. This ash is used for precious metal recovery and falls under tariff item 7112.30.00.
Silver Photographer's Hypo Ash
Incinerated ash from spent photographic fixer solutions (hypo) containing dissolved silver halides for silver recovery. This ash is used for silver recovery and is classified under tariff item 7112.30.00 as ash containing precious metal compounds.
Silver Refinery Ash with Precious Metal Compounds
Ash produced in silver refining processes containing silver compounds and minor gold or platinum impurities, designed for precious metal reclamation. This ash falls under tariff item 7112.30.00 as ash containing precious metal compounds.