<span class="link_user">@Antifame</span>, thank you, this sounds fantastic! Will definitely buy one of those machines and give this extraction technique a try in the new year - sounds like a fun way to experiment, plus I can use the device to clean small PCBs :smile:
<span class="link_user">@Aircoholic</span>, It is very easy to handle and the devices are inexpensive. Those are cleaning machines for tools or jewelry. Mine was around 40€ and it has a built in adjustable heater. So you can extract with the desired temperature and/or ultrasonic. Imho you can't get a better extraction. Cold extraction with ultrasonic only is the gentlest method I can think of. Combine both and you get to see the magic happen. :blush: