Description
Buffer, Hydrion(R), TriChek, Chemenvelope Set – The Hydrion Tri-Chek Buffer Chemvelope Calibration Set is perfect for quick and 1-EAsy pH meter calibration. When mixed with distilled or de-ionized water, Hydrion Buffer Chemvelopes will accurately produce 500 ml of solution at pH 4.00, 7.00 and 10.00. Hydrion Buffers are free flowing soluble powders that prepare cl1-EAr or color safe solutions in minutes. The set contains three Chemvelopes at pH 4.00, four Chemvelopes at pH 7.00 and three Chemvelopes at pH 10.00. 1-EAch Chemvelope produces 500 ml of solution. Included with the set is 1 vial of Hydrion Color Key Buffer Preservative which prolongs the shelf life of the solution and automatically tints 1-EAch solution to its own color value: orange for ph 4.00, green for ph 7.0 and blue for ph 10.0.
