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Summary of Contents for SPE ware 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: Installation
INSTALLATION CAUTION The SPE Processor does not include a filter on the source gas input. A clean, oil-free gas source is essential to prevent sample contamination. Compressed nitrogen is the recommended pressure source in order to assure inert atmosphere operation. If this is not a consideration, the unit can operate using high purity filtered instrument air. - Page 4 TRAY CONFIGURATIONS The System 96-II Pressure Processor provides the means to batch process solid phase extraction columns in the 96-position format. The System 96-II will accommodate both the integrated and the modular SPE plates stacked onto a ® variety of collection plates. The modular SPE plate is a CEREX Holder plus plug- ®...
- Page 5 COLUMN COMPRESSION Assemble the appropriate SPE column plate and collection plate and position the assembly on the System 96-II Pressure Processor slide tray platform. Each column will be pressurized equally even if columns are omitted. Refer to “Manifold Operation” in the following section for further explanation. Slide the slide tray to the rear of the processor until it reaches the stop locating it under the manifold The two blue push buttons used to activate the compression mechanism are...
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Page 6: Manifold Operation
MANIFOLD OPERATION Each of the 96 holes in the Processor manifold are restricted in order to maintain the manifold pressure even if all of the positions are not filled by columns. With no column in place, there is approximately 0.75 +/- .05 scfh of flow through a hole at 25 psig. -
Page 7: Maintenance
EXTRACTION FLOW ADJUSTMENT The System 96-II Pressure Processor has a two-level gas delivery system used to pressurize the SPE columns. One part of the system is controlled by the rotameter located on the left side of the instrument panel. By switching the “SPE FLOW RATE” selector to the left, “ADJUST FLOW”... - Page 8 COLUMN SEAL REPLACEMENT 1. Use the enclosed hex key to remove the two 1/4-20 screws fastening the manifold to the unit. 2. Lift the manifold off the standoffs and place it upside down on the table. 3. Remove old column seal from the manifold. 4.
- Page 9 HEATED MANIFOLD OPTION Figure 2. System 96-II processor with Manifold Heater option The Manifold Heater option provides heated gas flow through the sorbent bed and 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.
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