3Using the Module
Best Practices
1260 Infinity II Flexible Pump User Manual 48
How to deal with solvents
• Use clean bottles only.
• Exchange water-based solvents daily.
• Select solvent volume to be used up within 1 – 2 days.
• Use only HPLC-grade solvents and water filtered through 0.2 µm filters.
• Label bottles correctly with bottle content, and filling date / expiry date.
• Use solvent inlet filters.
• Reduce risk of algae growth: use brown bottles for aqueous solvents, avoid
direct sunlight.
Select channels for Multi-Channel Gradient Valve
(MCGV)
• Use lower channels (A and/or D) for buffer solutions.
• Regularly flush all MCGV channels with water to remove possible salt
deposits.
• Check compatibility of buffers and organic solvents to avoid precipitation.
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