Wherever convenient—no special storage requirements.
Excellent; very stable and convenient to store.
Aluminum foil, polyethylene, and paper protective envelopes. Envelopes keep buffers dry and free-flowing. Each envelope makes 500 mL when added to distilled water. Included in the package is a 7-mL dispensing vial of a buffer preservative. The preservative contains an effective antifungal, antibacterial agent. In addition, the preservative is a universal indicator that tints neutral solutions green, acid solutions orange-red, and basic solutions blue. 5 envelopes per carton, except for B0123, which is a special package containing 10 envelopes, one envelope for each pH value from 2 to 11.