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Monday, 30 July 2012
Friday, 27 July 2012
INORGANIC SAMPLE COLOUR
| Cl | Br- | I- | NO2- | NO3- | S2- | S2O3-2 | SO3-2 | SO4- | PO4- | AsO4- | SiO3-2 | BO3-3 | |
| Ag | white | yellow | white | black | yellow | yellow | |||||||
| Pb | white | white | yellow | white | black | white | white | white | |||||
| Cu | green | black | black | blue | blue | blue | |||||||
| Bi | white | black | white | brown-black | white | ||||||||
| Cd | white | ton | white | yellow | white | ||||||||
| As | red | white | |||||||||||
| Sb | white | orange | |||||||||||
| Sn | white | brown | |||||||||||
| Fe2+ | pale gren | y-B(H2O) | black | yellow | yellow | ||||||||
| Fe3+ | yellow | BROWN | white | black | yellow | yellow | |||||||
| Al | white | pale Y-W | white | white | white | white | white | white | |||||
| Cr | green | green | green | ||||||||||
| Co | red | RED | black | red | pink | ||||||||
| Ni | green | black | green | black | green | green | |||||||
| Mn | pink | pink | pink | white-pink | |||||||||
| Zn | white | white | white | white | pale | white | white | white | |||||
| Ca | white | white | white | white | white | white | white | white | |||||
| Sr | white | white | white | white | white | white | white | ||||||
| Mg | white | white | white | white | white | white | |||||||
| K+ | white | white | white | white | white | white | white | ||||||
| Na+ | white | white | white | white | white | white | white | white | white | ||||
| NH4+ | white | white | white | white | white | yellow | white DOWNLOAD |
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WET TESTS FOR BASIC RADICALS
(B)WET TESTS FOR BASIC
RADICALS
|
Group
|
Group reagent
|
Cation
|
Precipitated( color)
|
|
|
I
|
Dil
HCL
|
Ag22+,Pb2+,Hg22+
|
Chloride(@white)
|
|
|
IIA
|
Dil HCL+H2S
|
Hg2+,Pb2+,Bi3+,Cu2+,Cd2+
|
Sulphide(@black)
|
black
|
|
IIB
|
Dil HCL+H2S
|
As3+,Sb3+,Sn2+/Sn4+
|
Sulphide(yellow,
|
yellow
|
|
Sb2S3@orange)
|
orange |
|||
|
IIIA
|
NH4Cl+NH4OH
|
Al3+,Cr3+,Fe3+
|
Hydroxides
|
|
|
Al(OH)3@white,
|
|
|||
|
Cr(OH)3@green,
|
green
|
|||
|
Fe(OH)3@brown
|
brown
|
|||
|
IIIB
|
NH4Cl+NH4OH+H2S
|
Co2+,Ni2+,Mn2+,Zn2+
|
Sulphide
|
|
|
CoS
|
Black
|
|||
|
NiS
|
Black
|
|||
|
MnS
|
Flesh
|
|||
|
ZnS(white)
|
|
|||
|
IV
|
NH4Cl+NH4OH+(NH4)2CO3
|
Ba2+,Sr2+,Ca2+
|
Carbonate(@white)
|
|
|
V
|
No particular group reagent
|
Na+,K+,NH4+,Mg2+
|
|
|
WET TESTS FOR BASIC RADICALS
(B)WET TESTS FOR BASIC
RADICALS
|
Group
|
Group reagent
|
Cation
|
Precipitated( color)
|
|
|
I
|
Dil
HCL
|
Ag22+,Pb2+,Hg22+
|
Chloride(@white)
|
|
|
IIA
|
Dil HCL+H2S
|
Hg2+,Pb2+,Bi3+,Cu2+,Cd2+
|
Sulphide(@black)
|
black
|
|
IIB
|
Dil HCL+H2S
|
As3+,Sb3+,Sn2+/Sn4+
|
Sulphide(yellow,
|
yellow
|
|
Sb2S3@orange)
|
orange |
|||
|
IIIA
|
NH4Cl+NH4OH
|
Al3+,Cr3+,Fe3+
|
Hydroxides
|
|
|
Al(OH)3@white,
|
|
|||
|
Cr(OH)3@green,
|
green
|
|||
|
Fe(OH)3@brown
|
brown
|
|||
|
IIIB
|
NH4Cl+NH4OH+H2S
|
Co2+,Ni2+,Mn2+,Zn2+
|
Sulphide
|
|
|
CoS
|
Black
|
|||
|
NiS
|
Black
|
|||
|
MnS
|
Flesh
|
|||
|
ZnS(white)
|
|
|||
|
IV
|
NH4Cl+NH4OH+(NH4)2CO3
|
Ba2+,Sr2+,Ca2+
|
Carbonate(@white)
|
|
|
V
|
No particular group reagent
|
Na+,K+,NH4+,Mg2+
|
|
|
(B)WET TESTS FOR BASIC
RADICALS
|
Group
|
Group reagent
|
Cation
|
Precipitated( color)
|
|
|
I
|
Dil
HCL
|
Ag22+,Pb2+,Hg22+
|
Chloride(@white)
|
|
|
IIA
|
Dil HCL+H2S
|
Hg2+,Pb2+,Bi3+,Cu2+,Cd2+
|
Sulphide(@black)
|
black
|
|
IIB
|
Dil HCL+H2S
|
As3+,Sb3+,Sn2+/Sn4+
|
Sulphide(yellow,
|
yellow
|
|
Sb2S3@orange)
|
orange |
|||
|
IIIA
|
NH4Cl+NH4OH
|
Al3+,Cr3+,Fe3+
|
Hydroxides
|
|
|
Al(OH)3@white,
|
|
|||
|
Cr(OH)3@green,
|
green
|
|||
|
Fe(OH)3@brown
|
brown
|
|||
|
IIIB
|
NH4Cl+NH4OH+H2S
|
Co2+,Ni2+,Mn2+,Zn2+
|
Sulphide
|
|
|
CoS
|
Black
|
|||
|
NiS
|
Black
|
|||
|
MnS
|
Flesh
|
|||
|
ZnS(white)
|
|
|||
|
IV
|
NH4Cl+NH4OH+(NH4)2CO3
|
Ba2+,Sr2+,Ca2+
|
Carbonate(@white)
|
|
|
V
|
No particular group reagent
|
Na+,K+,NH4+,Mg2+
|
|
|
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