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  • 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…
  • 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…
  • pH Electrode Solutions

    Thermo Scientific Orion
    Electrode Storage Solution 475 mL plastic bottle pH of solution is 6.2 to 7.4 For short term storage of all electrodes for one day to a week. Electrode Filling Solution Internal filling solution for Ross-type electrodes (3M KCl). In packages of five 50 mL bottles.
  • 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)…
  • pH Buffers

    Ricca Chemical
    Standardized and certified traceable to NIST Standard Reference Material Accuracy ?0.01 pH at 25°C pH temperature chart, lot numbers and expiration dates on each label
  • pH Buffer Solutions

    Oakton
    Choose from economical solution bottles or individually sealed pH buffer pouches. NIST traceable materials Labeled with pH vs. temperature tables for accurate calibration All Oakton pH buffer solutions are freshness dated, and standardized against NIST-traceable references to…
  • Buffer Calibration Solutions

    Mettler Toledo
    Any pH measurement is only as accurate as the buffer solution used for calibration. These buffer solutions are traceable to primary standards set by NIST. Buffers 5001A40 through 5001A45 come with a quality assurance certificate per DKD and are particularly useful in quality assurance systems.…
  • pH Electrode Cleaning Kits

    Thermo Scientific Orion
    Extends the life of electrodes Prevents cross-contamination Removes bacterial or protein contaminants All kits contain four 1 oz. bottles of cleaning solution, a 15 mL beaker and a pipette. Sample Kit - includes one bottle each of cleaning solutions A, B, C, D Solution A - for removing…


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