Ballot Number: D27 (22-03)
No statement of expiration time for Platinum-Cobalt color standards is listed in the
method. For example, Lovibond recommends the samples be stored at 4C for no more
than 24 hours, and warmed before use. Even Millipore Aldrich puts an expiration date
on their stock reference solution. What is known about the stability of the standard
should be referenced in the standard if it has a negative impact on the measurement.
Date Initiated: 12-07-2022
Technical Contact: Kevin Wirtz
Item: 000
Ballot:
Status: