9 injection valve, 10 detector, 11 sample degasser – Metrohm 940 Professional IC Vario ONE/LPG User Manual
Page 90: 12 low-pressure gradient, Injection valve
7.9 Injection valve
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
82
￭￭￭￭￭￭￭￭
940 Professional IC Vario ONE/LPG (2.940.1150)
Gradient capabil-
ity
Isocratic or gradient (extendable to quaternary)
Profile
Step, linear, convex and concave
Resolution
< 1 nL/min
7.9
Injection valve
Actuator switch-
ing time
typ. 100 ms
Maximum operat-
ing pressure
35 MPa (350 bar)
Material
PEEK
7.10
Detector
You can find the technical specifications for the detector in the detector's
manual.
7.11
Sample degasser
Material
Fluoropolymer
Resistance to sol-
vents
No restriction (except PFC)
Time to establish
vacuum
< 60 s
7.12
Low-pressure gradient
Profile
Step, linear, convex and concave
Valve type
Normally closed
Degasser
One eluent degasser for each of the three eluents
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