REAGENT PREPERATION FOR DETERMINATION OF ORGANIC CARBON (Zn, Fe & Cu)

REAGENT PREPERATION FOR DETERMINATION OF  ORGANIC CARBON (Zn, Fe & Cu)

1.0 N Potassium Dichromate:
Dissolve 49.04 gm AR K₂ Cr₂ O₇  in 500 ml D.W. Make the Volume 1.0 Lts.

  0.5 N Ferrous Ammonium Sulphate:

Dissolve 196 gm Ferrous ammonium Sulphate in D.W

⬇

Add 20 ml of Conc. Sulfuric Acid and Make the Volume 1.0 Lts.

              Diphenylamine Indicator:

              Dissolve .05 gm Dye Mixture in 20 ml in D.W.  and 100 ml Conc.

                Sulfuric Acid