Malvern Zetasizer Nano Series, Accessories Manual

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Chapter 2 General cells and cuvettes
Page 2-28 MAN 0487
Once cleaned, leave all parts to dry before re-assembling. Re-assembly is the
reverse of dis-assembly. Take care not to damage the sprung electrodes located in
the rear casing.
Chemical compatibility
With proper use, only the central electrode and measurement section of the High
concentration cell will ever come in contact with sample. The outer components of
the cell will only come into contact if spillage or overfilling occurs.
Component Cleaning method
Screw cap Wipe clean with a mild soap solution
Outer casing Black part of casing (Rear - Delrin):
Wipe clean with a mild soap solution.
Metal part of casing (Front - Stainless steel):
Immerse the casing in Hellmanex and place in a gentle
ultrasound bath (30 Watts) for five to 15 minutes.
Rinse with water once cleaned.
Electrode
chambers and
port Electrode Chamber:
Scrub gently with interdental brush and Hellmanex, then scrub
with copious amounts of de-ionised water.
Smaller internal bore:
Scrub gently with interdental brush and Hellmanex, then scrub
with copious amounts of de-ionised water.
Quartz
measurement
cell block Scrub both internally and externally with interdental brush.
Afterwards brush with copious amounts of water.
Note : Once inserted back into assembly, a cotton bud with
ethanol can be used for light cleaning of the outside of the cell
block. This is only to remove any errant marks that may have
occurred when assembling the cell.
Component Materials
Central section
Electrode chambers / O-rings
Electrodes
Electrode contacts
Precision measurement block
Tubing Natural PEEK / Nitrile rubber
Palladium
Brass
Quartz
Silicone rubber
Outer components
Casing
Cap
Contacts Delrin / Stainless steel 316
Delrin / Phosphor Bronze
Gold plated beryllium / Copper