- Powder is easier and lighter to carry than liquids
- Each pH Buffer Capsule makes 100mL
- Stable powders keep indefinitely
Safe pH Buffer Capsules make buffer standards in just minutes. Accurate to ±0.02pH units at 25°C. Color of solution indicates the pH: orange solution—pH 4.00, green solution—pH 7.00, blue solution—pH 10.00. Mold inhibitors remain effective for months, protecting buffer solution even when stored at room temperature.
pH Buffer Capsule Set contains one vial of 10 capsules each of pH 4.00, 7.00 and 10.00 (total 30 capsules), plus one dispensing vial of Hydrion color key buffer preservative.