Studies on some Less Familiar Ferrocyanogen Complexes. Part IV. Spectrophotometric and Conductometric Studies on Beryllium Ferrocyanide

The reaction between potassium ferrocyanide and beryllium chloride has been studied spectrophotometrically. From the results it is concluded that (i) decomposition of K4FeCy6 is a slow reaction, (ii) the reaction is dependent on the concentration of beryllium ions, and (iii) it can best be studied at 450 m\(\mu\) Appearance of the blue colour in slightly acidic solution of potassium ferrocyanide in presence of beryllium ions has been explained on the basis of decomposition of potassium ferrocyanide and the subsequent formation of Prussian blue. Conductometric titration carried out at 30°, 60°, and 80° give evidence of the formation of an adsorption complex, K2BeFeCy6.K4FeCY6.

Keywords

Potassium ferrocyanide, Beryllium, Spectrophotometric Studies

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