In KF Standardisation Why We using Disodium Tartarate?
Answer Posted / rajesh goud
Though there are many chemical reagents which can be used as a primary standard for the standardization of KF reagent, DST is most commonly preferred because it has only two water molecules (C4H4Na2O6.2H2O).This DST gives Constant/same result water content By LOD (or)by KF titrator., i.e..about 15.66% of H2O.
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