Skip to main content
Waters

How long is an opened ampule of amino acid hydrolysate standard (WAT088122) good if stored in freezer? - WKB239540

Article number: 239540

ENVIRONMENT

  • Amino acid analysis (AAA)
  • Hydrolysate standard
  • Storage conditions

ANSWER

When the ampule is opened and transferred to a vial for preparing the calibration solution, it can be stored at -20 °C for 30 days.

When the rest of the undiluted ampule contents are transferred to a vial for future use, it can be stored at -20 °C for up to 90 days.

ADDITIONAL INFORMATION

For additional information, see the Amino Acid Standard Kits Care and Use Manual.

id239540, 2695UP

Not able to find a solution? Click here to request help.