Solutions
|
|
Colloids
|
|
Suspensions
|
|
| Homogeneous |
|
Heterogeneous |
|
Heterogeneous |
|
| Particle
size: 0.01 - 1 nm; can be atoms, ions, molecules |
|
Particle
size: 1 - 1000 nm, dispersed; can be aggregates or large molecules |
|
Particle
size: over 1000 nm, suspended; can be large particles or
aggregates |
|
| Do not
separate on standing |
|
Do not
separate on standing |
|
Particles
settle out |
|
| Cannot be
separated by filtration |
|
Cannot be
separated by filtration |
|
Can be
separated by filtration |
|
| Do not scatter
light |
|
Scatter light
(Tyndall effect) |
|
May scatter
light, but are not transparent |
|
