Mastersizer 2000 Page 8-1
8
Sample preparation
Introduction
Preparation of the sample before it is added to the system can be critical. Over half
the problems encountered when measuring a sample are caused by bad sample
preparation. If the sample is sticking together, dissolving or floating on the surface,
or if it is not a representative sample, the result will be incorrect.
There are many techniques available to ensure that the sample is prepared success-
fully. Once a suitable dispersion technique is found for the sample, standardise the
procedure (using an SOP) so that comparisons can be made between samples.
This chapter gives information on:
Sample preparation flow chart – summarises the process.
Representative sampling.
Considerations for dry samples.
Considerations for wet samples.
Symptoms of poor sample preparation.
MAN0384-1.0 Mastersizer 2000.book Page 1 Tuesday, March 20, 2007 8:56 AM
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