Hydrion 12.00 buffer capsule

Hydrion buffer caps are perfect for quick and easy pH meter calibration. When mixed with distilled or deionized water, a Hydrion buffer capsule will accurately produce 100 ml of solution at pH 12.00. Hydrion buffers are soluble, free-flowing powders that prepare clear solutions within minutes. 

Each box contains 5 bottles, with 50 capsules per box. Each capsule produces 100 ml.of solution.