Interesting information from Analog Planet on Stylus Cleaner Onzow Zero Dust.

Here is the link, judge for yourself.
No residue on my stylus but I binned my onzow anyway

jerryg12311-29-2021 3:14pm

sebrof Details Discussions Posts This discussion Message User 835 posts 11-30-2021 at 12:29am Copy Comment URL Report Comment Edit Delete worst was Stylast & First. You could tell under the microscope what fluid it was?
dover Details Discussions Posts This discussion Message User 2,247 posts 11-30-2021 at 12:32am Copy Comment URL Report Comment Edit Delete No we had test samples
jerryg123 OP Details Discussions Posts This discussion 3,429 posts 11-30-2021 at 01:07am Copy Comment URL Report Comment Edit Delete Atomic absorption will tell you also as well mass spectrometry. we use it a lot doing analysis on fluids.
terry9 Details Discussions Posts This discussion Message User 2,341 posts 11-30-2021 at 01:12am Copy Comment URL Report Comment Edit Delete @dover Yes, I can believe that about fluid residue. Before I had my Koetsu photomicrographed, I cleaned it with 95% pure ethanol. 40 hours later the pump on the electron microscope couldn't pull a sufficient vacuum because of off-gassing - and the only possibility, which I was assured was quite possible, was the alcohol.
mijostyn Details Discussions Posts This discussion Message User 8,570 posts 11-30-2021 at 01:12am Copy Comment URL Report Comment Edit Delete @stereo5 , I try to warn people about items that are suspect and I get roasted for it.