pH Buffer Capsules, Oakton® Instruments

Supplier: Argos Technologies

35850-12 35850-14 35850-16
76325-406PK 25.88 USD
76325-406 76325-408 76325-410
pH Buffer Capsules, Oakton® Instruments
Buffers pH Calibration Buffers

Fresh pH calibration solution anytime and anywhere.


  • One capsule to 100 ml of deionized or distilled water
  • Dry and compact—easily take them anywhere
  • Unused capsules have a five-year shelf life
  • Each vial contains 10 capsules


Buffer salts inside capsules require 100 mL of deionized or distilled water to produce a clear pH calibration solution accurate to ±0.02 pH (at 25°C) with traceability to NIST standards. Capsules are easier to store and transport than prepared aqueous buffer solutions. Capsules are color-coded for easy identification.


Once dissolved, store buffer solution in an airtight container at room temperature for up to three weeks.

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