• British Pharmacopoeia Volume IV
  • Appendices
  • Appendix I A. General Reagents

Tin(ii) Chloride
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Tin( ii ) Chloride Stannous chloride; SnCl2,2H2O  =  225.6 (10025-69-1)

Analytical reagent grade of commerce containing not less than 97.0% of SnCl2,2H2O.

Assay Dissolve 0.5  g in 15  ml of hydrochloric acid in a ground-glass-stoppered flask and add 10  ml of water and 5  ml of chloroform . Titrate rapidly with 0.05m potassium iodate VS until the chloroform layer is colourless. Each  ml of 0.05m potassium iodate VS is equivalent to 22.56  mg of SnCl2,2H2O.