Method for Preparation and Standardization of 0.1 (N) Sodium Thiosulphate Solution
Ø Apparatus:- · 250 ml Iodine flask · 100 ml cylinder · 50 ml burette Ø Reagents:- · Sodium Thiosulphate · Starch Indicator · Potassium dichromate (A.R. Grade) · Potassium Iodide (A.R Grade) · Hydrochloric Acid (A.R Grade) Ø Preparation of Solution:- · 0.1 (N) Sodium Thiosulphate:- Weight accurately 25 g Sodium Thiosulphate and about 0.2 g Sodium Carbonate. Dissolve in 1000 ml DM water. · Starch Indicator:- Dissolve 0.1 g Starch in 100 ml by...