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ITEM#: 2766-270400
MFR#: 270-4.00
pH Buffer Capsules, Hydrion® - 270-4.00. Hydrion pH Buffer Capsules. pH value: 4.0. For quick preparation of fresh solutions of known pH values. Capsule contents dissolve in 100mL of distilled water, giving a clear solution accurate to +-0.02pH unit