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OPERATING INSTRUCTIONS

CEREX® System



96-II

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MULTI-CHANNEL SPE

CEREX 96-II manual rev B

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Summary of Contents for CEREX SYSTEM 96-II

Page 1: ...OPERATING INSTRUCTIONS CEREX System 96 II MULTI CHANNEL SPE CEREX 96 II manual rev B ...

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Page 3: ... atmosphere operation If this is not a consideration the unit can operate using high purity filtered instrument air This instrument is supplied with an installation kit which includes 6 feet of 1 8 i d 1 4 o d polyethylene tubing and connectors to 1 8 NPT or 1 4 NPT Using the tubing and fittings provided connect the unit to a regulated oil free gas source Optimum Source Pressure is 80 psig Min Pre...

Page 4: ...he re usable CEREX Holder interfaces to several collection plates which are also in the 96 position format Depending upon the volume of the effluent the appropriate collection tray can be selected from the ancillary products available The CEREX Holder is keyed to the collection plates so that sample position is preserved throughout the SPE sequence Both the CEREX Holder and collection plates are k...

Page 5: ...the exact same time to open or close the compression mechanism Activate the column compression mechanism by depressing the push buttons until the manifold has stopped moving 2 to 3 seconds If you let go too soon the manifold mechanism will automatically open This is a safety feature designed to keep your hands clear of moving parts during the compression and decompression cycle Decompression of th...

Page 6: ...p ressu re b u ild s en o u g h to o v erco m e th e flu id flo w resistan ce an d th e flu id b eg in s to p ass th ro u g h th e so rb en t b ed In p u t P re s s u re P 3 0 p s i 2 4 p s i 2 4 p s i 2 4 p s i 3 0 p s i 3 0 p s i 3 0 p s i F ig C D ep en d in g o n flo w ch aracteristics o f co lu m n so rb en t b ed p ressu re in co lu m n reserv o ir stab ilizes In h ib itin g th e flo w w ith...

Page 7: ...labeled MAX FLOW The pressure range is 0 80 psig and is used to maximize flow through the SPE columns for processing viscous or high particulate samples or to dry the columns in situ By switching the SPE FLOW RATE selector to MAX FLOW gas is introduced to the manifold at the pressure set on the MAX FLOW regulator as indicated by the gauge located directly above it By turning the SPE FLOW RATE sele...

Page 8: ...al is silicone rubber and may be cleaned regularly with methanol WARRANTY The System 96 II Pressure Processor is warranted for 90 days Warranty repairs will be made given that the product has not been abused It is constructed primarily of stainless steel and anodized aluminum Other materials include silicone rubber polyethylene and polypropylene The controls and gauges are not solvent resistant So...

Page 9: ... assists in removing residual moisture The temperature is preset on the Temperature Control Unit and requires minimal heat up time This in turn not only yields higher analyte recovery it also allows the sorbent bed to be eluted with a more selective solvent like hexane or ethyl acetate The result is an extract that is highly purified and free of interferences 9 ...

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