This 4x4 plastic pouch houses a medical cloth material, which is soaked in 70 percent ethanol. One side of the pocket can be removed by a perforated opening, allowing access into the ethanol soaked medical cloth. from this opening laboratory utensils can be inserted to dissolve and remove contaminants. the 70 percent ethanol solution has good solubility properties and removes most particles.
This also makes it necessary to make the entire package out of material which is insoluble to ethanol. additionally the ethanol solution evaporates quickly, so drying time is minimal and the ethanol solution disinfects to reveal a sanitary surfacedesigners glenn eldridge, erin fisher, leslie horton and trevor stricklanduniversity california polytechnic state university
