Hanna pH Calibration Buffers, 230 mL

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Calibrate the pH range of your Hanna Instruments device!

Hanna Instruments high-quality pH calibration buffers are NIST-traceable. Hanna provides a certificate of analysis with each bottle.

Hanna prints the lot number and expiration date on each bottle. They seal the solution in airtight containers. They then apply a tamper-proof seal. This process ensures the quality of the solution.

Hanna specially formulates their line of technical calibration buffers. Each unopened bottle of solution has an expiration date of 5 years from the date of manufacture.

Find your desired pH value below.
Item # pH Value Stock Status Price Qty
HI7004-023 4.01 In Stock $16.99
HI7007-023 7.01 In Stock $16.99
HI7010-023 10.01 In Stock $16.99


  • Volume: 230 mL
  • Weight: 0.55 pounds
  • pH value: Varies — see individual product page for details
  • Accuracy: ± 0.02pH at 25° C

Product Features

  • Airtight bottle with tamper-proof seal
  • Temperature chart / actual pH values printed on each bottle
  • Certificate of analysis included

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