BUCHI SpeedExtractor E-916 - Manual (Page 57)

6 Operation
57 SpeedExtractor E-916/E-914 Operation Manual, Version D
Operation parameters
Parameter Function Value range
TYPE Type of solvent in solvent reservoir 1 – 2 or 1 – 4 depending on the
instrument configuration. list of 20 solvents
(default: 10 solvents)
RATIO Percentage of solvent 1 – 2 or 1 – 4 used to create the extraction
method. The sum is always 100 %. 1 – 100 %
sum: 100 %
NUMBER OF CYCLES How many times the HEAT-UP, HOLD, and DISCHARGE steps are
performed. 1 – 10
(default: 1)
CYCLES Involves all parameters relevant for an extraction cycle. They are
accessible in a submenu.
HEAT-UP Time used for the HEAT-UP step. Parameters such as tempera-
ture and size of the extraction cell determine the HEAT-UP time. fixed
HOLD Time used for the extraction at constant temperature. 0 – 60 min
(default: 2 min)
DISCHARGE Time used to empty the extraction cells. This step is not
supported by nitrogen gas. Purging with nitrogen is achieved with
the FLUSH WITH GAS parameter, which is not part of the extrac-
tion cycles but follows the last cycle. 0 – 60 min
(default: 2 min)
VC Vial change. Option which makes it possible to change the collec-
tion vials between the cycles. The solvent used in the last cycle is
also used for the flush. ,
(default: )
P Solvent selection of the used solvent port for each cycle. 1 – 2, resp. 1 – 4
(depending on confi-
gureation), 0 = solvent
mixture (default: 0)
FLUSH WITH
SOLVENT Time flushing with solvent. For the extraction method the flow
rate is adjusted automatically. The solvent used in the last cycle is
also used for the flush. 0 – 9 min
(default: 1 min)
FLUSH WITH GAS Time flushing with nitrogen. 1, 2 – 30 min
(default: 3 min)