Hydrion Buffer Chemvelope Color Safe 4.00 produces 500ml of 4.00 pH Buffer Standard solution when dissolved in distilled water. Chemvelopes are made of a triple protective foil consisting of aluminum, polyethylene and paper which keeps the Hydrion Buffers dry and free-flowing.
Hydrion Color Safe Buffers contain a pH indicating dye to help identify the buffer pH and prevent mixups.
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.