Maintenanc e
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1. Clean the cuvette as above then do a final flush with IPA. This will remove any
smears or marks that may occur after cleaning with deionised water.
2. Clean the stirrer bar with IPA using a lint free cloth.
3. Leave the stirrer bar, and the cuvette to dry upside down on a clean sheet of lint
free cloth.
If cleaning after performing a non-aqueous measurement.
Note: It may be required to use a glass syringe.
When cleaning between each individual analysis:
1. Empty the sample and dispersant from the cuvette into a beaker, retrieve the stir-
rer bar, and then discard the sample and dispersant.
2. Dependant upon the dispersant used in the analysis, use the wash station and
clean the cuvette with IPA or Acetone.
l Discard the IPA or Acetone from the cuvette.
l Repeat 2 to 3 times as required.
3. With clean dispersant that is to be used in the analysis, fill the cuvette as
described in the Filling the cuvette section.
l Discard the dispersant from the cuvette.
l Repeat 2 to 3 times as required.
4. Dependant upon the dispersant used in the analysis, clean the stirrer bar first with
IPA or Acetone, then clean again using the analysis dispersant.
5. The cuvette and stirrer bar can now be used for the next analysis.
Cleaning and storing after all analysis have been completed:
1. Discard the sample and dispersant from the cuvette.
2. Dependant upon the dispersant used in the analysis, use the wash station and
clean the cuvette with IPA or Acetone.
l Discard the IPA or Acetone from the cuvette.
l Repeat 2 to 3 times as required.
3. Dependant upon the dispersant used in the analysis, clean the stirrer bar first with
IPA or Acetone.
4. Leave the stirrer bar, and the cuvette to dry upside down on a clean sheet of lint
free cloth.
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