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Thermo Scientific™ Orion™ pH Buffer Bottles Products for Science Education

Perform accurate, reproducible pH calibrations

Manufacturer:  Thermo Scientific™ 916099/EMD

Catalog No. S04973

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All Orion pH Buffer Bottles have pH/temperature tables printed on the labels for accurate calibrations and NIST traceability. Manufactured under ISO 9000 quality standards.

Buffer Color Codes:

  • pH 4.01 buffer is pink
  • pH 7.00 buffer is yellow
  • pH 10.01 buffer is blue

The buffers are also available in pint (475mL) bottles, portable five packs of 2 oz. (5 x 60mL) bottles, 5 gallon (19L) cubitainers and single-use pouches.



All-in-One Buffer Kit
for accurate, reproducible pH calibrations
4.01, 7.00, 10.01
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