pH Buffers

pH Buffers
Quick Method for Preparing pH Buffer Standards
Safe pH buffer capsules contain the right amount of buffer powder to make 100mL of accurate buffer standard in just minutes. Accurate to ±0.02pH units at 25 deg C.
Specifications: Color of solution indicates the pH: orange solution-pH 4.0, green solution-pH 7.0, blue solution-pH 10.0. Mold inhibitors remain effective for months, protecting buffer solution even when stored at room temperature. Capsules contain stable powders that keep indefinitely. Buffer Capsule Set contains one vial of 10 capsules each of pH 4.0, 7.0 and 10.0 (total 30 capsules) plus one dispensing vial of Hydrion color key buffer preservative. Buffer Capsules are also available in vials of 10 capsules.