HYDRION BUFFER CHEMVLP PH7 , Pack of 5

Details

Hydrion Buffer Chemvelope Ph 7.0^ 5 Envelopes/Pk. Triple Protective Foil Of Aluminum, Polyethylene And Paper. When Dissolved In 500 Ml. Distilled Water, Makes A Precise 7.0 Buffer Solution. 5 Envelopes & 1 Dispensing Vial Of Hydrion Color Key Buffer Preservative Per Pack. (Traceable To Nist Stds)