Chapter 5
Maintenance
Page 5-4
MAN 0494
The APS wash controls can be accessed by selecting
Tools-Instrument-APS-
Wash controls
.
There are three
Clean sequence
options that can be used for general washing
either as a separate cleaning routine, or for in between well measurement (that is
set up in the SOP). Wash fluid - red inlet. Solvent - black inlet.
Standard wash
:
Step 1: 600ul of DI water
Step 2: 1250 uL (1 full syringe) of 0.1M NaOH
Step 3: 2500uL (2 full syringes) of DI water
Vigorous wash
:
Step 1: 1250uL of DI water
Step 2: 3750 uL of 0.1M NaOH
Step 3: 5000uL of DI water
Custom wash
:
Where the volumes for the rinse and wash fluids can be set as a rinse protocol;
recommendations and examples are described below.
Select
to execute the selected clean sequence, and
to cancel.
After a clean sequence it is recommended to check cleanliness using the count rate
meter - refer to
Monitoring the instrument cleanliness
later in this section.
Recommended cleaning Protocols for the Zetasizer APS
The cleaning protocol necessary will depend on the type of sample, the sample
concentration and the type of measurement that is performed.
MAN0494-1 (Zetasizer APS Basic Guide).book Page 4 Friday, August 9, 2013 2:08 PM