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Modelling a semi-permeable membrane

Oliverben5672
in Science Education

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Hi, I want to run an experiment and to do so I need to create something that will function as a semi-permeable membrane. It must let water through but not oil. I’ve looked about a lot but all options seem excessively expensive. If anyone knows a cheap option, or a way to build something that would work it would be much appreciated. Thanks

  • 3 weeks later...

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