##3 Perhaps sending a large sample to an electron microscope and having
the sample returned or holding back the major portion of a batch would do?
Ken
>
>> Some devices take
>> advantage of this behavior to determine particle size based on the changes
>> between the light in and light out.
>
>Yes, I have used this myself. Using the Hack scanning spectrophotometer,
I scan
>a specimen and can get a crude idea of the particle size distribution from
the
>absorption spectrum from infrared to uv. If I could obtain some samples with
>defined and narrow particle size ranges to calibrate from, I think I
could do a
>very good job of using this technique to profile particle size of CS samples,
>but have not been able to source any such standards.
>
>Marshall
>
>
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