Birinchi va ikkinchi guruh anionlari aralashmasi analizining sxemasi
Amal
|
Reagent
|
Ionlar
|
Cho'kma
|
SO32- va SiO32-ionlarni topish
|
HCl
|
CO2, SO2
|
H2SiO3
|
H2PO4-, H2AsO4-,
H3AsO4, H3BO3, Ca2+
|
Ca2+ ni ajralish
|
CH3COONa, (NH4)2C2O4
|
PO43-, AsO4-3, AsO33- , BO33-
|
CaC2O4
|
PO43-, AsO43-ni ajratish
|
MgCl2+NH4Cl+ NH4OH
|
MgNH4PO4,
MgNH4AsO4
|
AsO33-, BO33-, Mg2+,
NH4OH+NH4+
|
AsO33-, BO33-ni ajratish
|
H2O2
|
MgNH4AsO4
|
BO33-
|
|
|
Eritma
|
CrO42- va SO42- ni ajratish
|
Ba(NO3)2
|
BaSO4, BaCrO4
|
S2-, S2O32-, Cl-,
Br-, J-,
NO2- NO3-, CH3COO-
|
S2- ni ajratish
|
[Zn(NH3)6]2+
|
ZnS
|
S2O32-, Cl-,
Br-, J-,
NO2- NO3-, CH3COO-
|
S2O32- topish
|
a) HC1
b) AgN03
|
a) SO2
b) Ag2S
|
S
|
J- ni topish
|
NaNO2+CH3COOH
|
J2
|
S2O32- va J- ni yo'qotish
|
HNO3+NaNO2
|
J2
|
Cl-, Br-, SO42-,
(S2O32-SO42-), NO3-, CH3COO-
|
S
|
Cl- va Br- ni ajratish
|
AgNO3
|
AgCl, AgBr NO3- ,CH,COO-
|
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