Skip to content
USE CODE: ENVIRO AT CHECKOUT FOR 5% OFF
USE CODE: ENVIRO AT CHECKOUT FOR 5% OFF

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 ...

    View full details
  • 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...

    View full details
  • 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 Potassium Ion Standard Solution 2000ppm Y031H - 6-Pack 14 mL Bottles
    Save 17%
  • Horiba Potassium Ion Standard Solution 150ppm Y031L - 6-Pack 14 mL Bottles
    Save 17%
  • Horiba Solution Horiba Sodium Ion Standard Solution 2000ppm Y022H - 6-Pack 14 mL Bottles
    Save 17%
    Original price $48.00
    Current price $39.99

    Horiba Sodium Ion Standard Solution 2000ppm Y022H - 6-Pack 14 mL Bottles

    Horiba

  • Horiba Sodium Ion Standard Solution 150ppm Y022L - 6-Pack 14 mL Bottles
    Save 17%
    Original price $48.00
    Current price $39.99

    Horiba Sodium Ion Standard Solution 150ppm Y022L - 6-Pack 14 mL Bottles

    Horiba

  • Horiba Calcium Ion Standard Solution 2000ppm Y051H - 6-Pack 14 mL Bottles
    Save 9%
    Original price $44.00
    Current price $39.99

    Horiba Calcium Ion Standard Solution 2000ppm Y051H - 6-Pack 14 mL Bottles

    Horiba

  • Horiba Calcium Ion Standard Solution 150ppm Y051L - 6-Pack 14 mL Bottles
    Save 17%
    Original price $48.00
    Current price $39.99

    Horiba Calcium Ion Standard Solution 150ppm Y051L - 6-Pack 14 mL Bottles

    Horiba

  • Horiba Nitrate Ion Standard Solution 150ppm Y045 - 6-Pack 14 mL Bottles
    Save 17%
    Original price $48.00
    Current price $39.99

    Horiba Nitrate Ion Standard Solution 150ppm Y045 - 6-Pack 14 mL Bottles

    Horiba

  • Horiba Solution Horiba Nitrate Ion Standard Solution 30ppm Y044 - 6-Pack 14 mL Bottles
    Save 17%
    Original price $48.00
    Current price $39.99

    Horiba Nitrate Ion Standard Solution 30ppm Y044 - 6-Pack 14 mL Bottles

    Horiba

  • Horiba Solution Standard pH 7 (514-7) Calibration Solutions (pH 6.86 a 25°C) LAQUATwin - 6-Pack 14 mL Bottles 3999960109
    Save 10%
    Original price $48.00
    Current price $42.99

    Standard pH 7 (514-7) Calibration Solutions (pH 6.86 a 25°C) LAQUATwin - 6-Pack 14 mL Bottles 3999960109

    Horiba

    - 14-ml x 6 bottles- For LAQUA Twin pH-11, pH-22, pH-33

  • Horiba Solution Standard pH 4  (514-4) Calibration Solutions (pH 4.01 at 25 ° C) LAQUATwin - 6-Pack 14 mL Bottles - 3999960108
    Save 10%
    Original price $48.00
    Current price $42.99

    Standard pH 4 (514-4) Calibration Solutions (pH 4.01 at 25 ° C) LAQUATwin - 6-Pack 14 mL Bottles - 3999960108

    Horiba

    - 14-ml x 6 bottles- For LAQUA Twin pH-11, pH-22, pH-33