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Vernier Vernier Chloride Ion-Selective Electrode (ISE) Products for Science Education

Used to measure concentration of Chloride (Cl-) in aqueous samples.

Manufacturer:  Vernier CLBTA

Catalog No. S16122ND

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Includes: Chloride Ion-Selective Electrode, 30mL bottle of Chloride Low Standard (10mg/L), 30mL bottle of Chloride High Standard (1000mg/L), Short-term ISE soaking bottle, User manual



  • Combination-style, non-refillable, gel-filled electrode
  • Solid-state membrane that does not need to be replaced
  • Gives quick measurement of salinity of water samples
  • Measures chloride levels in ocean saltwater or salt in food samples
  • Interfering ions: CN-, Br-, I-, S2-
  • Compatible with LabQuest™ 2, Original LabQuest, LabQuest Mini, Go!Link™, SensorDAQ™, LabPro™, EasyLink™, TI-Nspire Lab Cradle™ interfaces
  • Electrode slope (log voltage vs. concentration): -56mV/decade
  • Electrode resistance: 1 to 4 MOhm
  • Minimum immersion: 1.1 in.

Ion-Selective Electrodes require good chemical technique and careful calibration to obtain accurate results; they are not recommended for middle school or elementary students.



39.3 in.
0° to 50°C
6.1 in.
2 to 12
10 to 20,000mg/L
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