FPT 121: Preparation of Standard oxidising and reducing solutions

Preparation of Standard oxidising and reducing solutions

Preparation of Standard oxidising and reducing solutions

   0.1 N Oxalic acid: Dissolve 0.630 g of oxalic acid in 100ml distilled water.This solution is fairly stable at room temperature.

·    0.1 N Potassium permanganate: Dissolve 0.320 g of KMNO₄ in 100ml of distilled water.

·    Pipette out 10ml of the oxalic acid solution into a conical flask, add about an equal volume of dil. H₂SO₄ and heat to about 80◦C. Run in the permanganate solution till the last drop turns the liquid a faint pink colour.

·    Repeat three times. Calculate the strength of the solution using the formula V₁N₁=V₂N₂

Last modified: Monday, 19 March 2012, 6:01 AM

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Principles of Biochemistry (2+1)

Preparation of Standard oxidising and reducing solutions

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