Metrohm 792 Basic IC User Manual
Page 36
2.6 High-pressure pump
792 Basic IC
27
4 Deaerate pump
x Make sure that the 6.1834.010 aspirating tubing for the high-
pressure pump has been immersed into the eluent.
x Click the
<On>
button for
IC pump
to switch on the high-
pressure pump.
x Use the syringe connected to the purge valve 31 to aspirate
air until eluent flows into the syringe.
x Click the
<Off>
button for
IC pump
to switch off the high-
pressure pump.
x Close the rotary knob on purge valve 31
31
31
31 by turning it in a
clockwise direction (see Fig. 3).
x Remove the syringe from coupling 24
24
24
24.
5 Rinse pulsation dampener (if present)
x Place a beaker beneath the column connection capillary 20
20
20
20.
x Click the
<On>
button for
IC pump
to switch on the high-
pressure pump and rinse the pulsation dampener 52
52
52
52 filled
with isopropanol for ca. 10 min with eluent.
x Click the
<Off>
button for
IC pump
to switch off the high-
pressure pump.
6 Reduce flow rate
x Reset the original flow rate under
Flow
(e.g.
0.2 mL/min
).
x Click
<Send to unit>
to send this value to the 792 Basic IC.