Baermann Technique
thingiverse
Basic and affordable setup for the Baerman Technique. Rods have a diameter of 8mm. A simple funnel can be found here: https://www.aliexpress.com/item/Kicute-1Pc-Brand-New-60mm-Transparent-Glass-Triangle-Funnel-Lab-Glassware-Laboraotry-Chemistry-Educational-Stationery/32819367256.html A low-cost beaker is available at this link: https://www.aliexpress.com/item/50mL-Glass-Beaker-Tall-Form-New-Chemical-Lab-Glassware/32807463037.html Natural Latex Rubber Tube with a diameter of 10mm and an inner diameter of 6mm can be used. A hose clamp that is twice as large, or 1.2 times the size, can be found here: https://www.thingiverse.com/thing:142913
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