Verification Standards

Pre-mixed, certified salt solutions for daily AquaLab performance verifications. Select standards which cover the range of water activities you typically measure. To ensure precise concentration and accurate water activity, use a fresh solution each day. Unopened vials have a one year shelf life.

There are 5 levels of standards available for use in the instruments:

0.250 a_w

0.500 a_w

0.760 a_w

0.920 a_w

and 0.984 a_w

Each box contains 50 vials and is supplied with Certificate of Analysis and Safety Data Sheets.