Using the system
35
Pre-measurement checklist
You need to make several checks before each run on the NanoSampler - more inform-
ation on some of these steps is provided later in this section:
1. Prepare samples using 1.5mL vials and load into the NanoSampler.
2.
Check that the Zetasizer Nano is switched on and that the AutoSampler
Features key is active in the Zetasizer software.
Note:allow the NanoSampler to adopt ambient temperature for at least one
hour before making a measurement.
3.
Create an appropriate SOP and measurement file.
4.
Ensure the Quartz Flow Cell is in position and attached. The flow cell should be
inserted firmly into the Zetasizer cuvette holder, and should be clean. One pipe
should connect the NanoSampler to the flow cell. The other pipe from the flow
cell must be connected to a waste bottle.
5.
Check both Waste pipes at the front of the unit - both must discharge into a
waste bottle.
6.
Make sure the Intake pipe for transport and cleaning fluid is in the source bottle
of the fluid, and also that the fluid is appropriate to your analysis. We recommend
that you filter the transport fluid before beginning a NanoSampler measurement.
Note:for a full NanoSampler run of 96 vials with 3 aliquots analyzed for each
vial, 2Lof transport fluid and one 2L bottle each for the flow cell waste and the
waste outlets is required.
System and sample preparation
Connection checks
Before switching on, ensure that the following connection checks have been carried out.
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