Which of the following statements are true for chemical interference? I Releasin

Question

Which of the following statements are true for chemical interference?

I Releasing agents are added to the sample to reduce chemical interference.
II Chemical interference occurs when a component of the sample reduces the extent of atomization of the analyte.
III Higher temperature flames will reduce chemical interference.
IV Chemical interference occurs when a component of the sample emits light at or close to the same frequency as the analyte.
V Releasing agents will preferentially react with the analyte, protecting the analyte from components of the sample that will ionize the analyte.

a) II, III, and V b) I, III, and IV c) I, II, and IV d) I, II, and III e) III, IV, and V

Explanation / Answer

Correct answer is (D) I,II,III

As you must know that chemical interference occur when a specie is present in analyte which is not thermally decomposed at flame temperature and need higher temperature to dissociate. The releasing agent which form stable compound with these species release more analyte and minimise the chemical interference.

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