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Thanks for the responses everyone, This mixture is used as an light lubricant, where it is critical that the solution dries up quickly after application and does not leave a residue. I looked through some azeotrope data for water and did not find something that would work for my application. I...

Hi all, I have a process where we currently use a 50/50 mixture of water and isopropanol, and am looking to replace the isopropanol with something less flammable and toxic. The purpose of the isopropanol is simply to increase the evaporation rate of the mixture so it dries up quickly after a...

Thanks for the great answers everyone. I should have made my original post a little more clear, but I wanted something more objective than smell because an operator will be in charge of testing each container. The Styrofoam and miscibility tests are a great idea and easy to implement.

Hi, I am looking for some advice on how to determine what fluid is in a container (possibilities are isopropanol, MEK, or mixed xylene). Any measurements taken don't really need to be exact so long as they are able to differentiate between those three fluids. The idea I came up with is to...