Buffers, Standards & Calibration Gases

To keep your equipment in factory condition, INW carries standard calibration and maintenance solutions for our products. Contact an INW representative and we’ll help you determine the proper care procedures and specifications for your product.

Buffers

  • pH Buffer—4, 7, or 10
  • pH Electrode storage solution
  • Bromide/Chloride ionic strength adj.
  • Level Two Solution (7 pH, 40 NTU, 53.7 mS)

Calibration Standards

  • Bromide Calibration Standard
  • Chloride Calibration Standard
  • Conductivity Standard (12.9 µS/cm or 1413 µS/cm)
  • Autocal Solution (4 pH, 0 NTU, 4.49 mS)
  • PID 2020 Isobuylene Cal Gas
  • PID 2020 Ultra Zero Cal Gas
  • DO Zero Oxygen Solution

Electrode Fill Solutions

  • Optimum B, Chloride
  • Optimum D, Chloride
  • TempHion
  • Ag/AgCl (4 molar)