What kind of water is suitable for running HPLC-ECD Analysis?

Use ultrapure water (the resistance of the water needs to be at least 18.2 mega-ohm/cm). Any

solvent, such as mobile phase, or water applied to this system should be stored in a glass bottle. HPLC and LC-MS grade is best. Biological grades are not recommended as they are sometimes sterilized by UV - this can leave residual peroxides which can increase noise.

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