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4. State whether each of the statements below (A to E) is TRUE or FALSE: (5 marks) (A) For any individual element, atomic absorption occurs

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4. State whether each of the statements below (A to E) is TRUE or FALSE: (5 marks) (A) For any individual element, atomic absorption occurs at different wavelengths to atomic emission. (B) AGF-AAS instrument has lower detection limits than a F-AAS instrument. (C) AGF-AAS instrument uses a polychromator wavelength selector An ICP-OES instrument uses an Ar flame. (D) (E) A photomultiplier is a more modern detector than a CCD

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