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What grade (mesh size, or sub-micron range) of powder did you get?I guess you're aiming for something along the lines of what's described here: https://doi.org/10.1002/jrs.1250220904 - i.e. Surface‐enhanced Raman scattering (SERS).I found this link, but maybe it's the same seller as your above link?[URL unfurl="true"]https://www.ebay.de/itm/312234986248[/URL]It seems these things are sold for vehicle emissions testing, but since you've been looking into this more seriously than I have you've surely noticed that already.
What grade (mesh size, or sub-micron range) of powder did you get?
I guess you're aiming for something along the lines of what's described here: https://doi.org/10.1002/jrs.1250220904 - i.e. Surface‐enhanced Raman scattering (SERS).
I found this link, but maybe it's the same seller as your above link?
[URL unfurl="true"]https://www.ebay.de/itm/312234986248[/URL]
It seems these things are sold for vehicle emissions testing, but since you've been looking into this more seriously than I have you've surely noticed that already.
