Gold Anode Slime Residue
Sludgy residue from gold electrorefining cells containing slime-attached gold particles. Primarily imported for further recovery processing under HTS 7112.91.0100 as gold compound scrap.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If high silver content slimes
Colloidal precious metal compounds may classify in inorganic chemicals Chapter 28.
If containing platinum group impurities
PGM-bearing slimes excluded from pure gold subheading.
If other metal-bearing slags/ashes
Slag-like refinery waste if not principally precious metal recovery.
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Import Tips & Compliance
• Classify based on soluble gold content assay; must prove recovery principal use
• Handle as hazardous material if acidic; DOT compliance required
• Dry thoroughly to avoid powder subheading shift
Related Products under HTS 7112.91.01.00
Scrap Gold from Electronic Connectors
Gold-plated pin connectors and edge fingers salvaged from server motherboards and telecom gear. This waste is principally used for gold recovery, classifying in HTS 7112.91.0100 as gold-clad metal scrap.
18K Gold Casting Sprues
Excess gold material from lost-wax casting of jewelry, including sprues, gates, and vents in 18K yellow gold. HTS 7112.91.0100 applies as manufacturing scrap destined for remelting and gold recovery.
Gold Foil Scrap from Gilding
Trimmings and rejects from transfer gold leaf used in bookbinding and architectural gilding applications. As gold-clad or pure gold waste for recovery, it falls under HTS 7112.91.0100 excluding multi-metal sweepings.
Vintage Gold Chain Scrap
Tangled and broken 10K-22K gold chains from estate jewelry lots, pre-refined for karat sorting. HTS 7112.91.0100 covers this as gold scrap for recovery purposes.
Gold-Filled Bead Scrap
Rejected or damaged gold-filled glass/plastic beads from costume jewelry production, with mechanical gold cladding. HTS 7112.91.0100 for recovery of the gold layer from this clad waste.
Scrap from Gold Heat-Treated Parts
Diffusion-bonded gold parts scrap from aerospace seals and connectors, mechanically clad. Used for gold reclamation, classifying in HTS 7112.91.0100.