Malvern Zetasizer Nano Series, Руководство пользователя

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Each time you change the sample, the electrode needs to be thoroughly
rinsed with pure dispersant to ensure cleanliness.
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A cotton bud may be used for gentle cleaning of the electrode.
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N o t e :
. The electrode holder is made from PEEK (polyetheretherketone) which
is resistant to a wide range of chemical products, however, it is advisable
to seek advice from Malvern and the sample manufacturer before using
strong acid or strong base.
Cleaning Cuvettes
There are two main types of cuvette available, disposable polystyrene and reusable
glass or quartz. Never attempt to clean and re-use disposable cuvettes. Cleaning
disposable cuvettes will cause small surface scratches that will give inaccurate
results.
The cleaning procedure for glass or quartz cuvettes is dependent on the sample
that was measured, therefore specific instructions can not be given here.
However, the following advice should be followed:
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Rinse the cuvette with the same dispersant that was used for the measure-
ment, i.e. if the sample was dispersed in water - use clean water to rinse it.
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Try submerging the cuvette in an ultrasonic bath of clean solvent.
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Once clean, wipe the cuvette with a lint free tissue (photographers lens
cleaning tissues are recommended).
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The smaller and more dilute the sample being measured, the more impor-
tant the cleanliness of the cuvette.
Cleaning the Folded capillary cell
The folded capillary cell is intended to be used once then discarded, but can easily
be used again if required. Using syringes wash the cell with the same dispersant as
used for the measurement, or de-ionised water.
Never attempt to clean the outside of the folded capillary cell as this will cause
small surface scratches that will give inaccurate results.
C H A P T E R 7
Z e t a s i z e r N a n o S e r i e s
P a g e 7 . 3