• Two bottles of Biopharm Buffer Reference Solutions on a white background
  • BIOPHARM pH calibration solutions with a downloadable certificate of analysis in a laboratory setting.
  • BIOPHARM pH 4.00 and pH 7.00 solution bottles with beakers containing red and yellow liquids on a laboratory counter.
  • Two bottles of pH buffer solutions with labels on a blurred laboratory background.
  • Two Biopharm pH buffer reference solution bottles with compatibility logos on a blurred background.
  • Biopharm pH test solutions with lab equipment in the background, emphasizing professional grade quality.
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Biopharm Inc.

pH Buffer Calibration Kit: pH 4.00 and pH 7.00

pH Buffer Calibration Kit: pH 4.00 and pH 7.00

$18.00 USD
$18.00 USD
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This buffer calibration solution is suitable for the calibration of all pH meters. 

Each production lot is manufactured in our own laboratory following carefully controlled, written procedures and standardized against NIST standard reference materials (SRM) for high accuracy. The finished product is assigned a unique Lot number and expiration date. These products will have greater than one year shelf life when received. Certificate of analysis and traceability included.

  • Manufactured to a precision of 0.02 or better
  • NIST Reference Calibrated
  • Color-Coded for Easy Reference
  • Lot Numbered and Expiration Dated
  • Individually Bagged
  • For Pharmaceutical, Academic, Research and Industrial Labs
  • Made in the USA

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