POLYETHYLENE GLYCOLS
Procedure Place 50 ml of anhydrous methanol into a 250-ml conical flask. Add 4 to 6 drops of Mixed indicator, and titrate with Standard methanolic hydrochloric acid to a clear blue colour. Transfer to the flask about 25 g of the sample, accurately weighed, to provide the specimen blank, swirl to effect complete solution. Titrate with
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