Any one has an idia about the kind of jars and bowles we need for nanopowder preparation foe example using the Planetary Micro Mill PULVERISETTE 7 classic line. How to avoid contamination and to ensure the clean preaparation :
for jars and bowls , Agate-SiO2 , Alumina ...Zirconia
Fors balls number and dimention....
best regrads
Adel Madani You cannot produce nanomaterials (i.e. separate, discrete, independent, stable particles < 100 nm) with a top-down ball milling route. Google 'Comminution Limit'. As the size falls much below a micron or so (for most materials) then the particles will plastic flow and deform and not break and there will be an equilibrium between breakage and recombination. Your nanomaterials will need to be made by a bottom-up process. For further information take a look at this webinar (free registration required):
Dispersion and nanotechnology
https://www.malvernpanalytical.com/en/learn/events-and-training/webinars/W190528DispNanoMat
In particular, the slides after 40:00 or so.
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