Tripak Dry Powder Buffer Capsules (4, 7 and 10pH)
Extech 650470 - Extech Instruments Corporation
The Extech 650470 is a set of Tripak Dry Powder Buffer Capsules. It provides convenient calibration solutions in capsules for pH meters. Includes 3 vials (10 capsules each) of 4 pH, 7 pH, and 10 pH dry powder buffers as well as one dispenser vial of color key preservative.