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Gel permeation chromatography

physical science Maturity 11-13

Machines sort tiny things by size.

Pore size schematic.svg
Pore size schematic.svg
They use small beads with holes. Big bits move fast. Small bits get stuck in the holes. This helps us see what is inside. It is like a race! Can you find things by size?

44 words
🖼️ Images & Media (8)
File:Pore size schematic.svg
Pore size schematic.svg
File:Size Limits for GPC.jpg
Size Limits for GPC.jpg
File:GPC instrument.jpg
GPC instrument.jpg
File:sample holder.jpg
sample holder.jpg
File:GPC Chromatogram.jpg
GPC Chromatogram.jpg
File:Anionic Polystyrene GPC Spectrum.jpg
Anionic Polystyrene GPC Spectrum.jpg
File:Free Radical Polystyrene GPC.jpg
Free Radical Polystyrene GPC.jpg
File:Size exclusion standardisation.png
Size exclusion standardisation.png
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📚 Content adapted from Wikipedia | Readability: FK 14.0 | Vital Level 5