Q. In fluoride ion electrode, the potential corresponding to level of the fluoride ion is described by which of the following equations when E is the measured electrode potential, E₀ is the reference potential and A is the level of fluoride ions in solution?

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Q. What does TISAB which is used to overcome interferences stand for?

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Q. Which of the following causes main interference in Fluoride electrode?

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Q. Crystal membrane of ion selective electrode can be regenerated by washing with which of the following?

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Q. For fluoride electrode, the electrode response curve will not only shift but will change slope with changes in temperature.

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Q. Which of the following gas permeable membrane is used for ammonia gas sensing electrode?

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Q. Which of the following gas permeable membrane is used for carbon dioxide gas sensing electrode?

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Q. The response time of the biocatalytic membrane electrode is poor when used with complex organic molecules.

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Q. Which of the following reference electrode is placed in the solution of carbon dioxide electrode?

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Q. Biocatalytic membrane electrode cannot be used for the measurement of which of the following gases?

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Q. The biocatalytic membrane used in the ammonia selective electrode is which of the following?

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Q. Which of the following materials are used as a gel to which biocatalytic membrane is fixed in ammonia selective electrode?

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Q. The biocatalytic membrane is attached to the glass electrode using which of the following materials?

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Q. The response time of the biocatalytic electrode is a function of the thickness of the enzyme layer.

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Q. In carbon dioxide electrode, the membrane separates which of the following?

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Q. If a solid or liquid membrane is placed in pure water, the membrane dissolves slightly, producing an equilibrium concentration of the measured ion. This is represented as __________

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Q. During which of the following conditions is the blank correction not necessary?

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Q. During which of the following conditions is the blank correction necessary?

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Q. Ion analysers need calibration once in which of the following durations?

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Q. In ion analysers, which of the following serve the dual purpose of controlling the operating current of FET and providing current gain?

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