Buchi PrepChrom C-700 User Manual download pdf (Page 92)

7|Maintenance BÜCHILabortechnikAG

92/110 PrepChromC700

NOTICE

Riskofflowcellwindowdamage.

Touchingtheflowcellwindowswithbarehandscandamagethesurfaceofthe

cellwindow.

u Wearprotectivegloves.

u Removebothflowcellwindows(4).

u RemoveallPTFEseals(5).

u Reassembletheflowcellinreverseordertothedisassembly.

u Dependingontherequiredthicknessoftheliquidlayer,theinstallationof

theflowcellwindowscanbechanged.

u Theopticalpathcanbeincreasedbyusingtheinstallationpositions(b)or

(c).

• Defaultinstallationpositionis(a).

Followontasks

u Checkthecellforanyimpurities(dust,hairs)usingamagnifier.

• Anyimpuritywithinthecellwillincreasethesignalnoise.

u Installtheflowcellaccordingthefollowingtask:

• 7.2.2 Flow cell, cleaning [} page88]

7.3.4 UVDetectorlamp,replacement

7.3.4.1 Detectorlamp,removal

Preliminarytasks

u Purgethesystemwithasuitablesolvent(isopropanol)andwithair.

u Airpurgethesystem.

• 6.9 Air purge [} page85]

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Buchi PrepChrom C-700 User Manual Page 92