Extech 650470 Dry pH Buffer Capsules

Extech pH 4, 7, and 10 Buffer Capsules

 Features

• Includes 3 vials (10 capsules each) of 4, 7 and 10 pH dry powder buffers and one dispenser vial of color key preservative.
• Dissolve 1 capsule in 100mL of distilled water to prepare buffer solution (accurate up to ±0.02 pH)