In which part of the apparatus is the reference and ion selective electrodes placed?(a) Head tank(b) Flow cell(c) Reservoir(d) Solenoid valveThe question was posed to me during an interview for a job.I need to ask this question from Sodium Analyser topic in section Dissolved Component Analysers of Analytical Instrumentation

In which part of the apparatus is the reference and ion selective elec

1.	In which part of the apparatus is the reference and ion selective electrodes placed?(a) Head tank(b) Flow cell(c) Reservoir(d) Solenoid valveThe question was posed to me during an interview for a job.I need to ask this question from Sodium Analyser topic in section Dissolved Component Analysers of Analytical Instrumentation
Answer» Right CHOICE is (b) Flow cell Explanation: The reference and ion SELECTIVE electrodes are PLACED in the flow cell. SAMPLE is MAINTAINED in the constant head tank.

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