StonyLab 94mm Qualitative Filter Paper – Ideal for Gold, Silver & Copper Precipitation (Pack of 100)

Precision Filtration for Precious Metal Recovery & Refining

Enhance your metal refining process with high-quality 94mm qualitative filter paper, specifically designed for gold, silver, and copper precipitation. These filters provide 20-micron particle retention with a medium filtration speed, ensuring efficient separation of metal particles from refining solutions.

Optimized for Precious Metal Recovery:

✔ Perfect Fit for Vacuum Filtration – Pairs seamlessly with our 1000ml Glass Vacuum Suction Filter and 300mL Graduated Funnel

 Found here: https://www.goldandsilvertesting.com/products/high-quality-vacuum-filtration-apparatus-for-gold-silver-copper-refining

✔ 20 Micron Particle Retention – Captures fine metal precipitates effectively
✔ Medium Filtration Speed – Ensures a steady flow rate while retaining valuable metal particles
✔ Low Ash Content (≤0.15%) – Minimizes interference during post-filtration processing
✔ 94mm Diameter – Designed to fit 100mm Buchner funnels, ideal for refining applications

Recommended Use for Metal Precipitation:

🔹 Gold Precipitation – Efficiently filters out gold powder after chemical precipitation
🔹 Silver Recovery – Captures fine silver particles for refining and smelting
🔹 Copper Processing – Separates solid copper precipitate from refining solutions

Pair this filter paper with our 1000ml Glass Vacuum Filtration Kit for a complete metal refining setup, ensuring clean, precise, and efficient recovery of precious metals.

Trusted by refiners, jewelers, and chemists for high-purity metal filtration.