Hi thank you for the replies and the powder is as fine and light as it gets since it is carbon nanotube (so almost atomically fine). Although they do tend to stick together forming various sizes of agglomerates approx <1mm in size. So i'll give the glass a go. Sorry one thing that I forgot to...
Hi I'm running an experiment in the lab right now where the kit has a flow of gas (such as oxygen and nitrogen) from the side. The trouble is that I am trying to expose the gas to a powder which will throw itself everywhere. I am currently thinking of using a T-junction pipe (as in the image...