Crystallisation of Al(oxalate)33- Ion as a Na/Mg Salt and its Analysis

(expected duration, 5 or 6 lab periods)

Of the different possibilities, you will try to make crystals of NaMgAl(oxalate)3 (possibly as a hydrate). Essential details.

Instructions and Notes:

Preparation of the complex

Estimation of oxalate in the prepared crystals

Estimation of aluminium

Estimation of magnesium


 Extracts from Vogel:     

Permanganometry

Gravimetry
     Precipitations with oxine
  
    
                                   




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