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Buffers & Standard Solutions

  • pH Buffer Calibration Solution (500mL or 4L)
    Sale
    from $8.99

    pH Buffer Calibration Solution (500mL or 4L)

    EnviroSupply & Service

    These color coded buffer solutions are NIST traceable and should be used regularly to calibrate your pH meters.   Available in 500 mL and ...

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  • Conductivity Standard Solution
    from $12.95

    Conductivity Standard Solution

    EnviroSupply & Service

    Standards have KCl, NaCl and 442 conversions printed on the bottle for ease of use.  Temperature corrections are printed on the bottle, with the c...

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  • HORIBA LAQUATwin 500 mL pH Buffer Solution (pH 4, 7, 9)
    $21.99

    HORIBA LAQUATwin 500 mL pH Buffer Solution (pH 4, 7, 9)

    Horiba

    Used to spot check/calibrate up to 4 paramters for Horiba Multi-parameter water quality meters. Contains 1 500mL bottle, available in pH 4, 7 and 9.

  • Horiba Solution Standard pH 7 (514-7) Calibration Solutions (pH 6.86 a 25°C) LAQUATwin - 6-Pack 14 mL Bottles 3999960109
  • Horiba Solution Standard pH 4  (514-4) Calibration Solutions (pH 4.01 at 25 ° C) LAQUATwin - 6-Pack 14 mL Bottles - 3999960108