1290 Infinity Quaternary Pump User Manual 67
Using the Pump
4
Setting up the Pump with the Instrument Control Interface
Blend Assist
The Blend Assist table allows you to blend two or more solvents or solvent
mixtures from stock solutions. The blends must be of pure solvents or
pure solvents with additives. For example, you can blend 100 % water
with 10 % isopropanol in water.
• Channel: The channel name.
•Type: The type of solvent
• Solvent <n>: Pure solvent
• Solvent <n> Additive: Solvent mixture
• Calibration: Click the down arrow and select the solvent or solvent
mixture from the list.
•Name: Enter a name for the solvent or solvent mixture in this field.
• Stock conc.: For solvent mixtures, specify the concentration of the
additive in the stock solution in this field. Pure solvents are always
100 %.
•Final conc.: Enter the concentration of the additive that you want to
achieve in this field. The pure solvent and solvent mixture will be
blended to achieve the Final conc. For the relationship of stock
concentration and concentration in the mixture, the composition
accuracy needs to be considered (see “Performance Specifications” on
page 28).
•Conc. unit: The concentration can be defined as mM (mmol/L) or as %.
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