Additives/modifiers

Additives/modifiers
Topic LCI-USG-0089, Last Updated 11/08/2024

Consult this list of additives and modifiers and their specific quantities for use in your system.

  • Acetic acid, ≤0.3% vol.
  • Ammonium acetate, ≤50 mM
  • Ammonium bicarbonate, ≤10 mM
  • Ammonium hydroxide, ≤50 mM
  • Ethylenediaminetetraacetic acid (EDTA), ≤0.1% wt.
  • Formic acid, ≤0.2% vol.
  • Warning: To avoid damaging the system components, and to prevent contact with corrosive material that can be present on the components that hexafluoroisopropanol (HFIP) damages, do not use HFIP in wash solvents.
    HFIP for oligonucleotide applications, 1% to 4% aqueous solutions
  • Heptafluorobutyric acid, ≤0.1% vol.
  • Phosphate buffer, ≤10 mM
  • Triethylamine (TEA), ≤0.1% vol.
  • Trifluoroacetic acid (TFA), ≤0.1% vol.

Need Help? Connect with a Waters expert. 


To avoid risk of personal injury and to prevent damage to laboratory equipment, always operate your Waters products in accordance with the applicable operational and safety information, your organization’s standard operating procedures, and local regulations.

Back To Top Back To Top