This PDF Note covers the following topics:

  • What is Impurities
  • Sources of Impurities in Pharmaceuticals
  • What is Limit Test and Importance of Limit Test
  • Limit Test of chloride
  • Limit test of sulphate
  • Limit test of iron
  • Limit test of lead
  • Limit test of Arsenic
  • Limi test of Heavy metals
  • Importance Question for Impurities in Pharmaceuticals