During particle count analysis using Laser net fines I did not get repetitive results from run to run. Preparing my sample by vigorous hand shaking then sonicate and wait for two minutes and run the sample. Again when I run the same sample after sometimes (5 minutes)got some different result. As for example first run:ISO: 18/16/13 and second run:ISO:17/15/12. So what should I need to do for getting repetitive results...
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