Molecular Dispersions Particle Size
< 1nm
Colloidal
Dispersion
1 nm to
0.5 μm
Coarse
Dispersion
Greater
than 0.5
μm
Invisible in
electron
microscope
Molecular
Dispersions
Not resolve by
ordinary
microscope
Colloidal
Dispersion
Visible in
electron
microscope
Colloidal
Dispersion
Visible under
miscroscope
Coarse
Dispersion
Pass through
ultrafiller and
semipermeable
membrane
Molecular
Dispersions
Undergo rapid
diffusion
Molecular
Dispersions
Do not pass
through normal
filter paper
Coarse
Dispersion
Do not dialyze
through semi-
permeable
Coarse
Dispersion
Do not diffuse
Coarse
Dispersion
Pass through
filter paper
Colloidal
Dispersion
Do not pass
semi-permeable
membrane
Colloidal
Dispersion
Diffuse very
slowly
Colloidal
Dispersion
Oxygen
molecules,
ordinary ions,
glucose
Molecular
Dispersions
Grains of
sands, most
pharmaceutical
emulsions and
suspensions,
red blood cells
Coarse
Dispersion
Colloidal silver
sols, natural
and synthetic
polymers,
cheese, butter,
jelly, paint,
milk, shaving
cream
Colloidal
Dispersion
It is a mixture containing fat and protein globules in water
Milk
It is a mixture containing blood cells and blood plasma
Blood