How To Deal With Solvents; Select Channels For Multi-Channel Gradient Valve (Mcgv) - Agilent Technologies 1290 Infinity User Manual

Contaminated seal wash solvent
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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

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
• Check compatibility of buffers and organic solvents to avoid precipitation.
1290 Infinity Quaternary Pump User Manual
Do not recycle seal wash solvent to avoid contamination.
Weekly exchange seal wash solvent.
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Using the Module
Best Practices
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