Question

Which of the following(s) is(are) the disadvantage of mass spectrometry?

 

      I.    It can not be hyphenated with HPLC or GC

     II.    Not useful in structural characterization

   III.    High maintenance of instruments

   IV.    Not useful in quantification

    V.   Trained personnel for the operation

a. II, IV, V

b. III and V

c.IV and V

d. III, IV, V

e. I, II and III

f. II, III and V

g. II and III

Answer 1

b