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  • Products (126)
  • Thomas pH Buffer Solutions

    Thomas®
    Available in clear or color-coded buffers Traceable to NIST standards and available in a variety of packaging selections. Provides a tolerance of ±0.01 pH at 25°C and the bottle label provides temperature correction data from 0° to 50°C. All Thomas buffers offer improved record keeping and documentation…
  • Reference Standard pH Buffers

    Ricca Chemical
    …life Reference Standard pH Buffers make pH easy. We offer consistent, reliable performance and NIST traceability. All buffers offer tight specifications (?0.01 ph unit) and a long shelf life. Temperature conversion charts are available for all Thomas buffers up to pH 11.
  • Orion® pH Buffers

    Thermo Scientific Orion
    Orion pH buffers are manufactured under ISO 9000 quality standards. Buffers are color-coded for ease of use, packaged with buffer/temperature tables for accurate calibrations and NIST traceability. All-in-One Buffer kit (1233M21) includes pint bottles of 4 (pink), 7 (yellow) and 10 (blue) buffers, electrode…
  • Color-Coded pH Buffers

    Ricca Chemical
    Standardized and certified traceable to NIST Standard Color-coded for quick reference Accuracy ±0.01 pH at 25°C pH temperature chart, lot numbers and expiration dates on each label pH 4.0 buffer is colored red, 7.0 buffer is yellow and 10.0 buffer is blue. Thomas numbers 4120R54, R60 and R66…

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