Buchi Sepiatec SFC-250, Руководство по эксплуатации

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Table of contents Büchi Labortechnik AG
iv Operation Manual Sepiatec SFC-250
6 Software ............................................................................................................................. 25
6.1 Introduction.......................................................................................................................... 25
6.1.1
Starting the software............................................................................................... 25
6.1.2 Entering values....................................................................................................... 25
6.1.3 Exiting the software ................................................................................................ 26
6.2 Layout.................................................................................................................................. 26
6.3 MANUAL tab........................................................................................................................ 27
6.3.1
Rinsing the tubing and syringe ............................................................................... 28
6.3.2 Starting the pump ................................................................................................... 28
6.3.3 Setting detector signal to zero ................................................................................ 29
6.3.4 Changing CO ₂ recycling module............................................................................. 30
6.4 PARAMETER tab ................................................................................................................ 30
6.4.1
Setting new methods .............................................................................................. 31
6.4.2 Setting gradient mode ............................................................................................ 32
6.4.3 Loading saved methods ......................................................................................... 33
6.4.4 Editing saved methods ........................................................................................... 33
6.5 COLLECTION tab................................................................................................................ 34
6.5.1
Setting peak control................................................................................................ 38
6.5.2 Setting stack injection............................................................................................. 38
6.6 SYSTEM tab........................................................................................................................ 39
6.6.1
Controlling the back pressure................................................................................. 40
6.6.2 Controlling the CO ₂ valve ....................................................................................... 40
6.6.3 Controlling the purge pump .................................................................................... 41
6.7 RUN METHOD tab .............................................................................................................. 42
6.7.1
Before starting a run ............................................................................................... 43
6.8 Changing during a run ......................................................................................................... 44
6.8.1
Change No. of Injections ........................................................................................ 44
6.8.2 Change injection and run time parameter .............................................................. 45
6.8.3 Change fraction parameter..................................................................................... 46
6.9 CO ₂ recycling module .......................................................................................................... 47
7 Operation............................................................................................................................ 51
7.1 System start - up ................................................................................................................. 51
7.2 Positioning of the sample .................................................................................................... 51
7.3 Positioning the fractionation bottles..................................................................................... 52
7.4 Method selection ................................................................................................................. 52
7.5 Starting a run ....................................................................................................................... 53
7.6 Finishing a run ..................................................................................................................... 53
7.7 Shutting down the system ................................................................................................... 54
7.8 Using the emergency switch................................................................................................ 54
8 Cleaning and servicing ..................................................................................................... 55
8.1 Pumps ................................................................................................................................. 55
8.2 Servicing the injection valves .............................................................................................. 55
8.3 Cleaning the UV detector flow cell....................................................................................... 55
8.4 Back pressure regulator valve ............................................................................................. 55
8.5 Fractionation valve .............................................................................................................. 55
8.5.1
Cleaning the valve and replacing the rotor ............................................................. 55
8.5.2 Dismantling............................................................................................................. 56
8.5.3 Assembling ............................................................................................................. 56
8.6 Gas-liquid-separators (GLS)................................................................................................ 57