Filtrate (25 ml) plus 15 ml of 0.01 N HNO3 and 1 ml of diphenylcarbazone indicator was titrated against 0.023 N Hg(NO3)2 standardised with 25 ml of 0.25% NaCl.
Filtrate (25 ml) plus 15 ml of 0.01 NHNO3 and 1 ml of diphenylcarbazone indicator was titrated against0.023 N Hg(NO3)2 standardised with 25 ml of 0.25% NaCl.