Buchi SpeedExtractor E-914, Operation Manual

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6 Operation
54
SpeedExtractor E-916 / E-916XL / E-914 Operation Manual
Save the method:
• In order to save the modified new method, go
to SAVE METHOD back in the EXTRACTION
menu, select an empty position, and press OK.
Alternatively, choose an already occupied posi-
tion to overwrite it. Modify the name in the ENTER
METHOD NAME window or write a new one by
pressing DELETE. To type a name, choose the
corresponding characters and press SELECT.
Confirm the changes with ACCEPT. The title of the
new, currently active method is now shown in the
header of the main display.
Up to 100 methods can be saved in total.
NOTE
Changes on a currently active method are indicated by a crossed out title in the main display.
6.4.4 Summary of operating parameters
The following table summarizes the operating parameters required for an extraction method, their
function, and value range. Additional recommendations can be found in the corresponding Application
booklet.
Operation parameters
Parameter Function Value range
TEMPERATURE Defined set temperature used for the HOLD time. This value also
influences the time used for the HEAT-UP. 30 – 200 °C
(default 100 °C)
PRESSURE Pressure inside the extraction cell during the HOLD time. 50 – 150 bar
(default 100 bar)
VIAL Size of the collection bottle. There are different vials avail-
able from BUCHI: flat bottom narrow neck vials (60, 240 mL) /
round bottom open neck vials (220 mL) / Analyst vials (150 mL)
/ unspecified vials (e.g. for the use of round bottom flasks in
combination with the Rotavapor collection unit) and waste 60, 150, 220, 240 mL,
unspecified, waste
(default: 240 mL)
CELL Size of the extraction cell. The options depend on the instrument
configuration. It partially determines the HEAT-UP time. E-916: 10, 20, 40 mL
E-916XL: 60 mL
E-914: 10, 20, 40, 80,
120 mL
SOLVENT Solvent mixture with which the extraction is performed. The
type of solvents connected to the solvent reservoir ports on the
right side of the instrument and their ratios are determined in a
submenu. list of 20 solvents
(default: 10 solvents)
Save as
PAH-01