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Questions about compounds that lower the surface tension (or interfacial tension) between two liquids or between a liquid and a solid.

6 votes
1 answer
3k views

Removing wine stains from a decanter

I have a decanter which I use fairly often to pour out wines. I typically rinse it with hot water after the last wine has come out, but I cannot prevent it from forming 'residual' wine stains over tim …
Michiel's user avatar
  • 6,750
9 votes
1 answer
355 views

Stripeless cleaning of windows

At first we thought that the stripeless nature was caused by surfactants in the cleaner that allow the (polar) dirt on the windows to be collected in the water through micellation. … The interesting thing is that they use pure $\ce{H2O}$ so without any surfactants but also without any dissolved salts like regular tap water has. …
Michiel's user avatar
  • 6,750