Wherever convenient—no special storage requirements.
When stored at room temperature in clean airtight bottles, prepared solutions will last for three weeks. Buffer preservative will protect prepared solutions for up to three months.
10 capsules per vial, except B0227, which is a special package that contains 11 capsules, one of each pH value. When mixed with distilled or deionized water, a buffer capsule will accurately produce 100 mL of solution at the specified pH. Capsules contain free-flowing soluble powders that prepare clear solutions. Preparation: Empty the contents of a pH buffer capsule into 100 mL of deionized or distilled water.