$4.83 (as of 28/10/2018 05:04 PDT details )
Features:
- Hydrion Buffer Chemvelopes are available in the following pH values 2.0 3.0 4.0 5.0 6.0 6.4 6.86 7.0 7.4 8.0 9.0 9.18 10.0 11.0 12.0 .
- Each carton contains five Chemvelopes
- Empty the contents of a pre weighed Buffer Salt foil package into 500 ml. of de ionized or distilled water