Flairform pH 4 250mL

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pH meters must be regularly 'calibrated' (i.e. adjusted for accuracy) using standard pH buffer solutions which are made to an internationally agreed recipe.

  • Flairform's buffers are formulated with NIST specified ingredients.
  • Stabilised to resist algae or growth formation:  Growths' can contaminate pH electrodes which in turn affects the “slope” value beyond the software’s ability to compensate.
Flairform pH 4 250mL