Preserved Water Sample in an Ethanol-Filled Vial
Detailed Description
After a water sample is filtered, the filter is folded and placed into a ethanol-filled vial for preservation.
Sources/Usage
Public Domain.
Photo by Matthew Laramie
After a water sample is filtered, the filter is folded and placed into a ethanol-filled vial for preservation.
Public Domain.
Photo by Matthew Laramie