Empty the contents of a Hydrion pH Buffer Capsule into 100 ml.of de-ionized or distilled water. If desired, to extend shelf life, add 3 drops of Hydrion Buffer Preservative per 100 ml of buffer solution and mix thoroughly.
Storage And Shelf Life:
When stored at room temperature in clean airtight bottles, prepared solutions will last for three weeks. When added to the solution, Hydrion Buffer Preservative will protect prepared solutions for up to three months.
Unprepared, packaged Hydrion Buffer Salts have a shelf life of five years.
All HYDRION BUFFER SALTS ARE DIRECTLY TRACEABLE TO NIST STANDARDS AND CERTIFIED TO ± 0.02 pH UNITS AT 25°C