>I suggest you look very closely at the Tyndall beam, Pete, particularly
>at the consistency of it.
The beam should be a solid homogenous band,
>and should not appear grainy at all. If it does appear grainy then the
>particles are very large and reflect or diffract white light but the
>solution still looks clear. I have experienced this in an experimental
>batch, and was quite surprised.
** It is as you say..a solid homogenous band....and not grainy...If I use
the laser on the circle pattern output,the cs shows an expanding conical
beam,also homogenous.
>I asked my question because I equated strong tyndall with large
particles,however,if the particles were so large I would have expected a
colour to the solution..
thanks for your reply.
petemc
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