Electrodes 

 

Electrode Selection

  • Select proper reference for application
  • Select proper junction for application
  • Select appropriate body and membrane profile
    • Standard
    • semi-micro
    • micro
    • rugged bulb
    • spear tip
    • flat surface
  • Select appropriate body type
    • Glass body
    • epoxy body
  • Select refillable or gel filled

   pH electrodes

Advantages of Thermo's ROSS pH electrodes:

  • Variety of body styles
  • Very stable reference
  • Fast response
  • Stable to 0.01 pH in 30 seconds over 50 oC temperature change
  • Drift less than .002 pH units/day
  • 0.01 pH precision
  • No Ag/Cl in reference system
  • Can measure samples containing Cysteine ( milk & milk related products )
  • Better for TRIS buffers
  • Ag+ is toxic – Ross is preferred choice for biological samples & culture media

Ross electrodes are all double junction – popular choice for non aqueous pH measurements such a titration.

 

 

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