Chapter 5
Maintenance
Page 5-6
MAN 0494
Select
Custom Wash
.
Activate all three steps by clicking on them.
Choose 1250
μ
l of rinse fluid/solvent (water), then 10000
μ
l of wash fluid
(
1M NaOH
), and finally 20000
μ
l of rinse fluid (water).
Exchange the wash fluid bottle for1M HCL and repeat the same settings.
Choose 1250
μ
l of rinse fluid/solvent (water), then 10000
μ
l of wash fluid
(
1M
HCL), and finally 20000
μ
l of rinse fluid (water).
Monitoring the instrument cleanliness
Note:
It is recommended that a stable count rate no greater than 500kcps is
achieved before any measurements are performed.
The cleanliness of the instrument can be monitored using the
Count rate meter
.
This check should be done routinely and, if required a clean sequence performed,
as described above.
When checking the cleanliness of the system, first perform a clean sequence
using
filtered deionised water
.
Monitor the count rate select
Tools-Count rate meter
from the main menu;
this will open the
Count rate meter
window.
MAN0494-1 (Zetasizer APS Basic Guide).book Page 6 Friday, August 9, 2013 2:08 PM
