1ST SEM INORGANIC CHEMISTRY ASSIGNMENT-1

FIRST SEM B.PHARM

PHARMACEUTICAL INORGANIC CHEMISTRY

(BP104T)

ASSIGNMENT-I

Prepared by: Ms. Mitali H. Jasani

IMPURITIES IN PHARMACEUTICAL SUBSTANCES

1.        Discuss the source of impurities in pharmaceutical substance. 06
2.         What is limit test? Write factors of it. Explain principle of limit test for sulphate . 05
3.         Explain principle of limit test for iron and arsenic. 06
4.         Define Limit test. Explain the limit test of chloride. 05
5.         Write a note on Gutzeit test. 06

Comment on the following  (Each contain 2 marks)                                                16

1. 1.      Citric acid is used in limit test of Iron. II
   2.      Ammonia in limit test for iron.
   3.      Hydrogen sulphide in limit test for heavy metal.
   4.      Glycerin is added in the assay of boric acid.
   5.      P^H plays an important role in limit test for iron.
   6.      Dilute acetic acid is used in limit test of lead
   7.      Granulated zinc is used in limit test of arsenic
   8.      Give difference between assay and limit test