Oliver Lores Posted October 5, 2021 Share Posted October 5, 2021 Would “rock wool” work to filter the gold foils from an electrolysis stripping cell operation? Paper filters are no good… Link to comment Share on other sites More sharing options...
chenbeier Posted October 5, 2021 Share Posted October 5, 2021 You have to use glass or ceramic material . Best is to use a vacuum fritte. https://de.m.wikipedia.org/wiki/Fritte_(Filter)#/media/Datei%3ASintered_glass_funnel-02.jpg Link to comment Share on other sites More sharing options...
noquacks Posted October 21, 2021 Share Posted October 21, 2021 (edited) Regarding simple sulfuric acid either concentrated or even 25% v/v or stronger, I use glass wool. Packed in a plastic funnel, using gloves as the wool can cut into your skin and irritate. But the sintered glass funnel above is a neater/cleaner approach. Edited October 21, 2021 by noquacks Link to comment Share on other sites More sharing options...
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