What is the shelf life or expiration point of the consumable chemistry components in the HPLC AccQ•Tag chemistry kit (WAT052875)? - WKB119392

ENVIRONMENT

• AccQ•Tag for HPLC
• Amino acid analysis (AAA)
• AccQ•Fluor
• Standards

ANSWER

WAT052880 - ACCQ-FLUOR REAGENT PKG TESTED :

• 1 year expiration from the date of manufacture
• Store at room temperature when unopened until expiration date on label.
• Reconstituted AccQ•Fluor Reagent can be stored at room temperature in a desiccator with dry desiccant for up to one week.
• Derivatized amino acid samples may be stored at room temperature for up to one week.

WAT052885 - ACCQ-TAG 3.9X150mm Column:

• This column does not have an expiration date.
• Waters recommends that each laboratory assign expiration dating based on performance of the column for the method in use.
• Store at room temperature.

WAT052890 - ACCQ-TAG ELUENT A CONCENTRATE - 1 Liter Bottle:

• Store at room temperature when unopened until expiration date on label.
• After opening a container of AccQ•Tag Ultra eluent A concentrate, the eluent remains serviceable for 1 month at room temperature.
• Stored at 4 °C, tightly capped in original container, it remains serviceable for one month.

WAT088122 – Amino Acid Standard:

• 5 year expiration from the date of manufacture
• Unopened ampoules or aliquots of this standard should be stored at -20 °C.  
• Once removed from the freezer, allow to sit at room temperature until it is ready to use.
• Do not thaw with a hot plate and do not thaw with heat from hands.
• Once opened, use immediately. 

ADDITIONAL INFORMATION

For additional information see  What is the difference between AccQ•Tag and AccQ•Tag Ultra?