Section A
Q1.
(a) Describe the method of separation, chemical reactions and the quantitative analysis.
(b) Mention the stationary phase and mobile phase in Gas Liquid Chromatography (GLC). What factors are involved in selecting a carrier gas in GLC ?
(c)
Some instrumental analytical techniques are listed in Column I. Name of sources and transducers or detection systems are listed in Column II. Items in Column I may match with one or more items in Column II. Match the items in Column I with those in Column II.
Column I
(i) Infrared spectrophotometry
(ii) X-ray fluorescence spectroscopy
(iii) Atomic absorption spectroscopy
(iv) Inductively coupled plasma-mass spectrometry
Column II
(p) Lead sulphide
(q) Photomultiplier tube
(r) In Ga As P
(s) Electrode discharge lamp
(t) Quadrupole magnetic analyzer
(u) Deuterated triglycine sulphate
(v) Molybdenum
(w) Nernst glower
(x) Faraday cup
(d) Describe the atomization method for determining mercury at parts per billion level concentrations by AAS.
(e) Mention the different components in the instrument for thermogravimetric analysis.
(f) How are X-rays generated by certain radioactive isotopes ?
(g) How is plasma of required high temperature generated in ICP-MS ?
(h) Describe the volumetric method for estimation of Mn in pyrolusite.
