5.5 Classical Qualitative Analysis
+SR,
R: identification reagent
ML: mas ing ligand
SR: separation reagent
(0 0
J - - - - +
I
/
I
I
Fig. 5.9. Analytical scheme without group separation
GIV
Symbol meanings:
Original (dissolved) sample
GI
Gil
I
D Precipitate (hatched): unseparated group
o Disolution (not hatched): separated group
Gill
223
GVI
Fig. 5.10. Analytical schemes based on group separation by precipitation. Three precipitating
group reagents (R1- R3) are used to split the initial analyte mixture into four groups in two different sequences. For details, see text