
Table of contents BÜCHI Labortechnik AG
iv Operation Manual Pure Chromatography Instrument C-805
6 Operation............................................................................................................................23
6.1 Control panel ..................................................................................................................................... 23
6.1.1 Layout of control panel...........................................................................................................23
6.1.2 Enter value.............................................................................................................................24
6.1.3 Menu bar................................................................................................................................25
6.1.4 Conditions panel ....................................................................................................................27
6.1.5 Collection panel .....................................................................................................................28
6.1.6 Gradient panel .......................................................................................................................29
6.1.7 Run panel...............................................................................................................................30
6.1.8 Solvent selection panel.......................................................................................................... 31
6.1.9 Detector selection panel ........................................................................................................31
6.1.10 Slope detection panel ............................................................................................................32
6.2 Editing a method................................................................................................................................ 32
6.2.1 Selecting a cartridge (Flash mode)........................................................................................32
6.2.2 Selecting a solvent.................................................................................................................33
6.2.3 Editing the gradient................................................................................................................ 34
6.2.4 Editing the wavelength for the UV detector............................................................................ 36
6.2.5 Editing the fraction collection criteria .....................................................................................37
6.2.6 Editing the fraction collection time .........................................................................................38
6.2.7 Editing the vapor sensor sensitivity........................................................................................ 39
6.2.8 Saving a method....................................................................................................................40
6.3 Editing a solvent ................................................................................................................................ 40
6.3.1 Adding a new solvent.............................................................................................................40
6.3.2 Deleting a solvent ..................................................................................................................41
6.4 Tasks during a separation ................................................................................................................. 42
6.4.1 Injecting a sample into the flash system ................................................................................42
6.4.2 Installing and removing a cartridge........................................................................................ 43
6.4.3 Inserting the fraction collection tray .......................................................................................44
6.4.4 Selecting an existing method................................................................................................. 44
6.4.5 Selecting values on the dialog box Sample Loading .............................................................45
6.5 Performing a Flash separation using a method................................................................................. 45
6.5.1 Preparing the instrument........................................................................................................ 45
6.5.2 Starting Flash separation using a method .............................................................................45
6.5.3 Changings during a separation.............................................................................................. 46
6.5.4 Ending a Flash separation .....................................................................................................46
6.5.5 Shutting down the instrument ................................................................................................46
6.6 Performing a Flash separation manually ........................................................................................... 46
6.6.1 Preparing the instrument........................................................................................................ 46
6.6.2 Starting Flash separation manually........................................................................................ 47
6.6.3 Changings during a separation.............................................................................................. 47
6.6.4 Ending a Flash separation .....................................................................................................48
6.6.5 Shutting down the instrument ................................................................................................48
6.7 Identifying fractions............................................................................................................................ 48
6.7.1 Identifying fractions by peak ..................................................................................................48
6.7.2 Identifying fractions per vial ...................................................................................................49
6.8 Importing and exporting data............................................................................................................. 49
6.8.1 Printing a run report ...............................................................................................................49
6.8.2 Sending data to USB .............................................................................................................50
6.8.3 Sending PDF to USB .............................................................................................................50
7 Cleaning and servicing .....................................................................................................51
7.1 Regular maintenance work................................................................................................................ 51
7.2 Carrying out a data backup................................................................................................................ 52
7.3 Calibrating the display ....................................................................................................................... 52
7.4 Cleaning the check valve................................................................................................................... 52
7.5 Cleaning the instrument..................................................................................................................... 53