III. Discuss the veracity of the following statements stating whether they are true or false and why. _____a) By using

[answerhappygod]

III. Discuss the veracity of the following statements stating
whether they are true or false and why.

_____a) By using a graphite furnace and in the presence of N2, the
analysis can be carried out at any temperature.


_____b) The compound pentachlorophenol can be analyzed by
fluorescence spectroscopy because it produces a high quantum
yield.


_____c. Atomic absorption spectroscopy is a versatile technique in
the sense that several elements can be analyzed simultaneously by
simply changing the type of source used.

_____d. In some surface analysis techniques, it is imperative that
the surface be free of contaminants and that it be performed under
high vacuum conditions.