User Manual
14
When the crystal (
7
) and the lead pad (
11
) have been removed, it may
now be easier to separate the lead pad (
11
) from the crystal. If the
crystals (
7
) top sampling surface looks OK and can be cleaned
carefully, then it may not be necessary to remove the lead pad (
11
)
away for further cleaning prior to re-assembly and use. However, if the
lead pad (
11
) is to be removed, it may be necessary to immerse the
whole crystal (
7
) and lead pad (
11
) assembly in a beaker of water or
methanol solvent and apply a gentle
“sonication cleaning” of the items.
The action of the sonic agitation of the solvent may help to loosen the
lead pad (
11
) away from the crystal such that when the items are
removed from the solvent they can be easily and safely separated
without any damage to the lead pad (
11
) or crystal (
7
) parts.
Clean the ATR crystal (
7
) by following the Notes on Cleaning
instructions on page 17.
Changing the Isolast Gasket Seal
When the ATR crystal (
7
) has been removed from the Top Plate
assembly, access can be gained to the Isolast gasket seal (
8
) for
cleaning or replacement with new if necessary. (See
Fig 8
.)
Fig 8. Isolast Gasket Seal in the Ga
teway™ ATR
Flow Through Top Plate
8
6
4
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