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  • Thomas One-Shot Traceable Conductivity Standards

    Thomas®
    Traceable to NIST standards Accuracy: ?0.25% 100% compatible with all makes of equipment For use in the lab and the field Single-use standards eliminate concerns about external container contamination. Each container is labeled for calibrating conductivity (micromhos),…
  • 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…
  • 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…
  • 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…
  • pH Buffer Solutions

    Oakton
    …pouch contains 20 mL of premixed calibration solution Accuracy ?0.01 pH at 25°C Guaranteed fresh and contaminant-free NIST traceable Assortment pack contains five each of pH 4.01, 7.00 and 10.00 buffer solutions and rinse water.
  • 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.
  • Buffer Tri-Chek Capsule Set

    Micro Essential
    The Hydrion Tri-Chek Buffer Capsule set is perfect for quick and easy pH meter calibration. When mixed with distilled or de-ionized water, Hydrion Buffer Capsules will accurately produce 100 ml. of solution at pH 4.00, 7.00 and 10.00. Hydrion Buffers are free flowing soluble powders that prepare clear…
  • pH Buffer Powders

    Micro Essential
    Triple protective foil envelope of aluminum, polyethylene and paper which keeps the buffers dry and free flowing Makes a precise buffer solution when dissolved in 500 mL of distilled water Five envelopes per package?

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