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Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches Available on GSA/VA Contract for Federal Government customers only.

Ensure fresh, ready to use standards for pH calibration with Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches.

Manufacturer:  Thermo Scientific™ 910725

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Catalog No. 13-641-275

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Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.



Ensure fresh, ready to use standards for pH calibration with Thermo Scientific™ Orion™ pH Buffer Individual Use Pouches. Buffers are color coded for ease of use. All Orion pH buffers are traceable to NIST™ standard reference materials.


  • Color coded: pH 4.01 buffer is pink, pH 7.00 buffer is yellow, and pH 10.01 buffer is blue
  • Packaged with buffer/temperature tables for accurate calibrations and NIST traceability
  • Manufactured under ISO 9000 quality standards
  • Pouches are 15mL each and are available in 10 packs or 25 packs


The following part numbers have been changed due to a recent system upgrade.

Old Part Number: 910410

New Part Number: 910410-WA

Old Part Number: 911025

New Part Number: 911025-WA

Please use the new part number when placing an order or requesting a quote. The old and new part numbers are interchangeable on Certificate of Analysis and Material Data Safety Sheet (MSDS) files.

Description & Specifications


pH Buffer, individual use pouches
single use for pH calibration
pH Meter and Electrode, single use
pH 7.00 Buffer
Buffer solution
25 x 15mL
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