Quyida 1 va 2 guruh kationlari aralashmasi analizi sxemasi jadvallarda keltirilgan
Arnal
|
Reagent
|
ionlar
Ionlar
| |
NH4' ni topish
|
NaOH. t°
|
NH3,ammiak hidi
|
K+.Na+.Li+
|
NH+. Ni
chiqarih vuborish
|
NaOH (1-eritma) KOH (2-eritma)
|
NH3-
|
K+,Na+,(Na+), Li+
| | | |
K+ (K+), Na+. Li+
|
K+ni topish
|
1-erilma +Na3[Co(NO2)6]
|
K2 Na[Co(NO2)6].
|
Li+
|
Na+ ni topish
|
l-cruma+KH2SbO4
|
NaH,2SbO4
| |
Li+ ni topish
|
Na2CO3, NH4F, Na2HPO4
|
Li2CO3, LiF, Li3PO4
| |
Amal
|
Reagent
|
Ionlar
| |
Xloridlarni cho'ktirish
|
HCl
|
AgCl, Hg2Cl2,. PbCl2
| |
Pb2+nj ajratjsh va topish
|
Qaynoq suv; K2CrO4,
|
Pb2+ + C1-; PbCrO4, sariq cho`kma
|
AgCl. Hg2Cl2
|
Ag+ ni ajratish
|
NH3
|
[Ag(NH3)]+
|
ClHgNH 2+Hg
|
Ag+ ni topish
|
HNO3
|
AgCl, oq cho'krna
| |
Hg22+ni topish
|
Br2, suv;
KJ
| |
Hg2+;
HgJ2 HgJ42-
|
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