Hydrion Buffer Capsule 4.00
Hydrion Buffer Capsules are perfect for easy and quick pH meter calibration. When mixed with de-ionized or distilled water, a Hydrion Buffer Capsule will accurately produce 100 ml of solution at pH 4.00 in the acidic range.
Hydrion Buffers are soluble free flowing powders that prepare clear solutions in minutes.
Each vial contains 10 capsules. Each capsule produces 100ml of solution.
Directions: Empty the contents of one capsule into 100 ml of distilled or de-ionized water.
Storage/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.
