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Colloid properties: suspensions of 1 nm-1 μm particles; colloidal stability depends on pH, ionic strength, surface charge.
ଷ୍ଟେପ୍-ଷ୍ଟେପ୍ ଗାଇଡ୍ |
- 1Input particle size, charge, solution composition
- 2Calculate DLVO potential or colloidal stability
- 3Predict aggregation/sedimentation
ସମାଧାନ ହୋଇଥିବା ଉଦାହରଣ
ଇନପୁଟ୍
Oil-in-water emulsion: stability improved by surfactants reducing interfacial tension
ଫଳ
Surfactant concentration critical
ଏଡ଼ାଇବା ଯୋଗ୍ୟ ସାଧାରଣ ଭୁଲ
- ✕Neglecting DLVO interactions
- ✕Not accounting for pH effects on charge
ବାରମ୍ବାର ଜିଜ୍ଞାସା
Why are colloids kinetically stable?
Brownian motion prevents settling; particles too small for gravity, too fast for diffusion aggregation.
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