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Mix the condensed moisture back in with a sample if necessary .
Prepare the sample:
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When crushing a sample, avoid any contact with heat .
Heat results in moisture loss .
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Crush the sample using:
– Pestle
– Lab mill
If the sample is liquid containing solids, use one of the following tools:
– Glass stirrer
– Spoon
– Magnetic stirrer
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Use an appropriate tool for grinding the sample .
Use a disposable sample pan:
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Use only Sartorius disposable sample pans (inner diameter of 90 mm) .
Reusing sample pans leads to poor repeatability of results:
– After cleaning, sample residues can still remain on the pan .
– Residues from cleaning agents can evaporate during the next moisture
analysis .
– Scratches and grooves made during cleaning result in damage that forms
points of attack for hot, rising air produced during the drying process (more
pronounced buoyancy) .
16
Operating Instructions Moisture Analyzer MA37
Basic Principles
Содержание MA37
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