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[MurtazaHakim]

Greetings to all the forum members.

 

I am tasked with the characterisation of hardness of a water sample. The complexometric titration using EDTA seems to be the most suitable option. However I have EDTA (in the solid powdered form) and not the disodium EDTA with me. Can I proceed further with the EDTA (and not the disodium EDTA) ? Furthermore I encountered various procedures for the characterisation of hardness. What procedure should I follow if I am to characterise ground water which is used in soap industry (for making of liquid handwashes,dishwashing liquid,fabric softener etc.)