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Hanna pH 4 Calibration Buffer, 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. This solution has a pH value of 4.01.

Product Information

Product Specs
  • Volume: 230 mL
  • Weight: 0.55 pounds
  • pH value: 4.01 at 25° C
  • 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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