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  • Thomas Color-Coded pH Buffer Solutions

    Thomas®
    …NIST standards and available in a variety of packaging selections. Provide 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 with two year shelf life (unopened), manufacturing…
  • Thomas pH Buffer Solutions

    Thomas®
    …quart buffer bottles come with an inner cone cap to prevent leaking. 19 liter sizes are supplied in a cube shaped, cardboard encased polyethylene container with a spout.   Color-Coded Buffers A minute amount of colorant in these solutions provides immediate visual identification: red for pH 4, yellow…
  • Color-Coded pH Buffers

    Ricca Chemical
    …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 are single-use pouches.
  • 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…

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