Analytical Instrumentation - December 2015

MU Instrumentation Engineering (Semester 6)

Total marks: --
Total time: -- INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

Attempt any four questions from the following:

1 (b) Explain the basic principle of mass spectroscopy. 5 marks

1 (c) Draw and explain working of pulse height analyser. 5 marks

1 (d) What is temperature programming in Gas Chromatography? 5 marks

1 (e) A solution containing the complex formed between Bi (II) and thiourea has a molar absorptivity of 9.32×10³ L/mol-cm at 470 nm. What is the absorbance of a 6.24×10^-5 mol per litre solution of the complex at 470nm in a 1.00 cm cell. What is the percent transmittance of the solution. 5 marks

2 (a) Draw and explain double beam uv visible spectrophotometer. 5 marks

2 (b) What is Raman effect? Draw and explain Raman Spectroscopy. 5 marks

3 (a) List four detectors used in Gas Chromatography and explain any one in detail. 5 marks

3 (b) Explain working of any one type of mass spectrometer in detail. 5 marks

4 (a) Explain one type of source used in the uv-visible region of the EMR Spectrum. 5 marks

4 (b) Explain working of any one type of monochromator. 5 marks

4 (c) Explain the basic principle of NMR. Explain the working of a NMR Spectrometer. 5 marks

5 (a) Draw and explain working of a x-ray absorption meter. 5 marks

5 (b) Explain the working o any one type of Ion Source used in mass spectrometer. 5 marks

6 (a) Draw and explain working of Atomic Absorption spectrometer. 5 marks

6 (b) Draw and explain working of a carbondioxide analyzer. 5 marks