1290 Infinity Quaternary Pump User Manual 11
Introduction
1
Overview of the Quaternary Pump
Overview of the Quaternary Pump
The Agilent 1290 Infinity Quaternary Pump has a built- in 4- channel
vacuum degasser for best flow stability, especially at low flow rates and
maximum detector sensitivity. It uses a multi- channel gradient valve
(MCGV) for formation of quaternary gradients at low pressure. The
low- pressure Inlet Weaver based on patented Agilent microfluidic
technology ensures highest mixing performance and lowest mixing noise.
The pump head offers a high power range with a maximum pressure of
1200 bar and a maximum flow rate of 5 mL/min. The Multi Purpose Valve
can be used for automatic purging, using an optional Jet Weaver
high- performance mixer, automatic back- flushing of the filter or for
diagnostic.
The Agilent 1290 Infinity Quaternary Pump is suitable for a wide range of
columns and HPLC und UHPLC applications starting from typical 250 x
4.6 mm HPLC columns going down to high resolution 50 x 2.1 mm UHPLC
columns and can be used in a flow range between 0.05 – 5 mL/min.
Active seal wash is optionally available for use with concentrated buffer
solutions.
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