Description

Slimes And Sludges, Precious Metal Electrolytic is a specialized industrial by-product derived from the electrolytic refining and recovery processes of precious metals. This material is of significant commercial value as a concentrated source of precious metal content, primarily for secondary recovery and refining operations. It is a critical intermediate for refineries, recyclers, and chemical processors in the precious metals, electronics recycling, and catalytic converter processing industries seeking to maximize yield from complex feedstocks.

Application

• Precious Metal Refining: Primary feedstock for the secondary recovery of gold, silver, platinum, palladium, and other precious metals via smelting or hydrometallurgical processes.
• Electronics Waste (E-Waste) Recycling: Processing of anode slimes from the electrolytic treatment of printed circuit boards and other electronic components to reclaim valuable metals.
• Catalytic Converter Recycling: Recovery of platinum group metals (PGMs) from sludges generated during the chemical leaching and processing of spent automotive catalysts.
• Jewelry and Bullion Production: Source material for refiners producing high-purity gold and silver bars, grains, and other investment-grade products.
• Industrial Catalyst Manufacturing: As a raw material for the production of fresh catalysts after undergoing appropriate purification and formulation steps.
• Analytical and Assaying Laboratories: Used as a standard or test material for developing and validating precious metal assay methods (fire assay, ICP-OES, ICP-MS).

Basic Information

Product Name	Slimes And Sludges, Precious Metal Electrolytic
CAS No.	124222-20-4
Molecular Formula	Complex Mixture
Molecular Weight	Not Applicable (Mixture)
Synonyms	Anode Slime; Electrolytic Sludge; Precious Metal Slimes; Electrorefining Slimes; PM Sludge; Electrolytic Precious Metal Residue; Gold Anode Slime; Silver Refining Sludge; PGM-Bearing Sludge; Electrolytic Cell Slimes
EINECS	Contact for details

Quality Control

Each batch of our Precious Metal Electrolytic Slimes and Sludges is characterized to ensure consistency and predictable recovery yields. We provide detailed Certificates of Analysis (COA) that include precious metal content profiles (typically via fire assay or ICP analysis), moisture content, and physical description. Our sourcing and processing adhere to responsible material stewardship principles, and documentation for chain of custody is available to support our clients' compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Due to the potential for oxidation and moisture absorption, it is recommended to store under inert atmosphere or in sealed, moisture-barrier containers for long-term preservation of metal content. Keep away from heat and ignition sources.

Specification

Item	Specification
Appearance	Dark Sludge or Solid Slime
Precious Metal Content (Total)	Variable, Batch-Specific (COA Provided)
Primary Metals (Typical)	Au, Ag, Pt, Pd, Rh (Profile per COA)
Moisture Content	< 15% (or as specified)
Assay (Fire/ICP)	Conforms to COA

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.