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2. Answer the followings: (a) What is/are the function(s) of source modulation in atomic absorption spectroscopy? (b) AA instruments using atomizer based on vapor generation methods are generally more sensitive than that installed with flame atomizer? (c) Suggest a suitable light detector for atomic absorption spectroscopy. Briefly describe its operation principle. 3. With reference to the single-beam spectrophotometer as shown in powerpoint handout, write short notes to describe the functions of various parts. Suggest a method to correct the spectral interference caused by light emission due to the atomizer. Briefly explain your answer.

          2. Answer the followings:
(a) What is/are the function(s) of source modulation in atomic absorption spectroscopy?
(b) AA instruments using atomizer based on vapor generation methods are generally more sensitive than that installed with flame atomizer?
(c) Suggest a suitable light detector for atomic absorption spectroscopy. Briefly describe its operation principle.

3. With reference to the single-beam spectrophotometer as shown in powerpoint handout, write short notes to describe the functions of various parts. Suggest a method to correct the spectral interference caused by light emission due to the atomizer. Briefly explain your answer.

2. Answer the followings:
(a) What is/are the function(s) of source modulation in atomic absorption spectroscopy?
(b) AA instruments using atomizer based on vapor generation methods are generally more sensitive than that installed with flame atomizer?
(c) Suggest a suitable light detector for atomic absorption spectroscopy. Briefly describe its operation principle.

3. With reference to the single-beam spectrophotometer as shown in powerpoint handout, write short notes to describe the functions of various parts. Suggest a method to correct the spectral interference caused by light emission due to the atomizer. Briefly explain your answer.

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