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Electrodes consist of different materials (very frequent: platinum, calomel or hydrogene electrodes) and are hence applicable multi-purposely: to determine the pH value, the so-called single-rod measuring cells are used. Yet, the standard hydrogene electrode serves as reference electrode determining the standard potential of redox pairs. Most frequent are the solid state electrodes containing of a metal and its dilution. Yet, also liquid electrodes such as quicksilver electrodes are possible. 

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Electrodes

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  1. WTW

    pH-combination electrode SenTix 41 with integrated temperature sensor

    Regular Price: €193.00

    Special Price €183.35

    SKU: WW103635
    In Stock
  2. WTW

    SenTix 61 standard pH combination electrode

    €141.00
    SKU: WW103640
    In Stock
  3. WTW

    SenTix V pH electrode

    €122.00
    SKU: WW103690
  4. WTW

    Conductivity electrode TetraCon 325

    €433.00
    SKU: WW301960
    In Stock
  5. Mettler-Toledo

    pH combination electrode InLab Solids

    €254.00
    SKU: MR51343153
    In Stock
  6. Mettler-Toledo

    pH electrode LE438 (plastic, 3-in-1)

    €151.00
    SKU: MR51340242
  7. Mettler-Toledo

    pH-Elektrode InLab Solids Pro IP67

    €340.00
    SKU: MR51343156
  8. WTW

    SenTix Sp Spear-type pH-combination electrode

    Regular Price: €276.00

    Special Price €262.20

    SKU: WW103645
  9. Mettler-Toledo

    pH-Gerät FiveEasy, Tischgerät (Entry-Level)

    €418.00
    SKU: MR30266658
  10. Mettler-Toledo

    pH combination electrode InLab Easy

    €92.00
    SKU: MR51343010
  11. Mettler-Toledo

    pH combination electrode InLab Routine

    €151.00
    SKU: MR51343050
  12. Mettler-Toledo

    pH combination electrode InLab Routine Pro

    €223.00
    SKU: MR51343054
  13. Mettler-Toledo

    pH combination electrode InLab Routine Pt1000

    €223.00
    SKU: MR51343056
  14. Mettler-Toledo

    pH combination electrode InLab Science

    €219.00
    SKU: MR51343070
  15. Mettler-Toledo

    pH combination electrode InLab Routine Expert

    €141.00
    SKU: MR51343100
  16. Mettler-Toledo

    pH combination electrode InLab Routine Expert Pro

    €229.00
    SKU: MR51343101
  17. Mettler-Toledo

    LE408 LE408 LE408

    €103.00
    SKU: MR51340347
  18. Mettler-Toledo

    pH electrode LE407 (plastic, gel

    €76.90
    SKU: MR51340330
  19. Mettler-Toledo

    InLab® Ultra Micro-ISM

    €305.00
    SKU: MR30244732
  20. WTW

    pH combination electrode SenTix 41-3

    €227.00
    SKU: WW103636
  21. WTW

    SenTix ORP ORP combination electrode

    €193.00
    SKU: WW103648
  22. WTW

    SenTix Mic-D combined pH-electrode

    €283.00
    SKU: WW103660
  23. WTW

    SenTix HWD pH electrode

    €320.00
    SKU: WW103731
  24. WTW

    WP 90/3 3 exchange membrane heads

    €135.00
    SKU: WW202725
  25. WTW

    WP3-ST 3 exchange membrane heads

    €141.00
    SKU: WW202738
  26. WTW

    SenTix® 945-P

    €256.00
    SKU: WW103764
  27. WTW

    SenTix® HW-T 900-P

    €267.00
    SKU: WW103767
  28. Mettler-Toledo

    pH electrode LE427 (plastic spear tip)

    €163.00
    SKU: MR51340333
  29. Mettler-Toledo

    pH electrode LE427-S7 (plastic spear

    €135.00
    SKU: MR51340334
  30. Mettler-Toledo

    LE407-DIN pH electrode, 1.0 m cable, DIN

    €76.30
    SKU: MR51340341
  31. Mettler-Toledo

    LE409-DIN pH electrode with glass shaft,

    €93.40
    SKU: MR51340343
  32. Mettler-Toledo

    LE420-DIN pH Electrode with PTFE sleeve,

    €141.00
    SKU: MR51340345
  33. Mettler-Toledo

    LE438-DIN pH Electrode with Pt1000

    €149.00
    SKU: MR51340346
  34. Mettler-Toledo

    LE410 LE410 LE410

    €163.00
    SKU: MR51340348
  35. Mettler-Toledo

    InLab Viscous Pro, pH electrode InLab

    €464.00
    SKU: MR51343151
  36. Mettler-Toledo

    InLab Flex-Micro, pH electrode InLab

    €340.00
    SKU: MR51343164
  37. Mettler-Toledo

    pH combination electrode InLab Easy BNC

    €118.00
    SKU: MR51343011
  38. Mettler-Toledo

    pH combination electrode InLab Reach Pro

    €288.00
    SKU: MR51343061
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Generally speaking, electrodes are electron conductors which absorb or deliver those from a medium or to it (an electrolyt solution). They always have a positive pole (anode) and a negative Pole (cathode), between them electrodes are flowing. Hence, it comes to an electrochemical transformation.