Bi+3 reagent and color
Na2SnO2, black precipitate
As+5 reagent and color
AgNO3, reddish brown ppt
Cd+2, reagent and color
K4Fe(CN)6, white precipitate
As+3 reagent and color
AgNO3, yellow ppt. soluble in HNO3
Sn+2 reagents and color
Mg metal
Hg+2 reagent and color
SnCl2, white precipitate
Cr3+ reagent and color
AgNO3, dark violet
Zn+2 reagent and color
K4Fe9CN)6, gray-white ppt
Fe+2 reagent and color
K4Fe(CN4), light green, blue soln
Fe+3, reagent and color
KSCN, dark red soln
Co+2, reagent and color
Vogel's Reaction
NH4SCN ether or acetone, blue soln
Mn+2, reagent and color
HNO3, NaBiO3, purple solution
Ni+2, reagent and color
NH4OH, C2H5OH, C4H8N2O2, red ppt
6-4 Al3+ reagent and color
NH4OH, aluminon (Aluminon Test), white gelatinous ppt, b. NH4OH, Co(NO3)2 (Thenards Blue
Test) intense blue color