scheme for the separation of the cations - … scheme for the separation of the cations author eni...

1
Sb , Sn 3+ 2+ NaNO + 2 rhodamine B Zn- uranyl acetate HCl + HgCl 2 Sb S 2 3 Sb S 2 5 SnS 2 CrO , Al OH 4 2- 4 - ( ) HAc + Pb(Ac) 2 NH Cl 4 NH SCN 4 Fe OH ( ) 3 brown ppt. PRECIPITATE MnS pink ppt. ZnS white ppt. CoS black ppt. NiS black ppt. CoS black ppt. NiS black ppt. Co , Ni 2+ 2+ Mn , Zn 2+ 2+ MnO 2 brown ppt. HNO + NaBiO 3 3 HCl (conc.) orange ppt. orange ppt. yelow ppt. yelow ppt. yelow ppt. smeñi talog HNO 3 (conc.) NH 3 (conc.) Hg Cl + Hg 2 2 0 grey precipitate HNO +HO 3 2 2 (6 mol/L) (3 %) Separate the clear liquid from the precipitate HCl (0.5 mol/L) NaOH +HO 2 2 (6 mol/L) (3 %) (NH ) C O 42 2 4 Hg , Bi , Cu , Cd , As , As , Sb , Sb , Sn , Sn , Fe , Fe , Cr , Al , Co , Ni , Mn , Zn , Ba , Sr , Ca , Mg , Na , K , NH 2+ 3+ 2+ 2+ 3+ 5+ 3+ 5+ 2+ 4+ 2+ 3+ 3+ 3+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ + + 4 + Fe , Fe , Cr , Al , Co , Ni , Mn , Zn , Ba , Sr , Ca , Mg , Na , K , NH 2+ 3+ 3+ 3+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ + + 4 + Co , Ni , Mn , Zn , Ba , Sr , Ca , Mg , Na , K , NH 2+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ + + 4 + Ba , Sr , Ca , Mg , Na , K , NH 2+ 2+ 2+ 2+ + + 4 + Na , K , + + NH 4 + PbCl 2 white ppt. AgCl white ppt. Hg Cl 2 2 white ppt. AgCl white ppt. Hg Cl 2 2 white ppt. Pb 2+ Ag NH ( ) 32 + PRECIPITATE HgS CuS CdS yelow ppt. Bi S 2 3 As S 2 3 yelow ppt. As S 2 5 yelow ppt. Sb S 2 3 orange ppt. Sb S 2 5 orange ppt. SnS smeñi talog SnS 2 yelow ppt. KOH (3 mol/L) HCl (3 mol/L) HS 2 (in acidic medium) HS 2 (in basic medium) HCl (6 mol/L) II a subgroup II b subgroup HgS CuS black ppt. CdS yelow ppt. Bi S 2 3 brown ppt. HNO 3 (3 mol/L) HNO 3 (conc.) Hg NO ·2HgS ( ) 32 Bi OH ( ) 3 NH 3 (conc.) NH 3 (conc.) Bi , Cu , Cd 3+ 2+ 2+ Cu NH , Cd NH ( ) ( ) 34 2+ 34 2+ KCN + H S 2 HAc + Fe(CN) 6 4- SnO 2 2- AsS , AsO , SnS , SnO , SbS , SbO 4 3- 2 - 3 2- 3 2- 4 3- 2 - As S 2 3 As S 2 5 As S 2 3 As S 2 5 SnS PRECIPITATE NH Cl + NH OH 4 4 (NH ) PO + NH 42 4 3 (0.5 mol/L) (conc.) PRECIPITATE NaOH +HO 2 2 (6 mol/L) (3 %) Fe(OH) 3 brown ppt. Cr(OH) 3 grey-green p. Ba PO 3 42 ( ) white ppt. Ca PO 3 42 ( ) white ppt. Sr PO 3 42 ( ) white ppt. MgNH PO 4 4 white ppt. Ca (PO ) 3 42 white ppt. Sr (PO ) 3 42 white ppt. MgNH PO 4 4 white ppt. Sr , Ca , Mg 2+ 2+ 2+ Ca , Mg 2+ 2+ Mg 2+ Na Co(NO ) 3 26 NaOH + quinalizarine PRECIPITATE NaOH heating Zn OH 3 - ( ) HS 2 HO 2 (100 °C) K Cr O 2 2 7 Determined in the original solution Copyright Eni Generali , Split © 2005-2009 c Faculty of Chemistry and Technology, , CROATIA Al(OH) 3 white ppt. SOLUTION ORIGINAL SOLUTION SOLUTION SOLUTION SOLUTION SOLUTION FLAME COLORING FLAME COLORING Pb , Ag , Hg , Hg , Bi , Cu , Cd , As , As , Sb , Sb , Sn , Sn , Fe , Fe , Cr , Al , Co , Ni , Mn , Zn , Ba , Sr , Ca , Mg , Na , K , NH 2+ + 2 2+ 2+ 3+ 2+ 2+ 3+ 5+ 3+ 5+ 2+ 4+ 2+ 3+ 3+ 3+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ + + 4 + 4.0026 2 20.180 10 14.007 7 18 17 18.998 9 15.999 8 12.011 6 C 10.811 B 5 Al 13 Si 14 P 15 S 16 He Ne N Ar Cl F O IVA VA VIA VIIA VIIIA 13 14 15 16 17 18 IIIA 1 2 3 4 5 6 7 1.0079 1 6.941 Li 3 9.0122 Be 4 22.990 Na 11 24.305 Mg 12 39.098 K 19 40.078 Ca 20 85.468 Rb 37 87.62 Sr 38 132.91 Cs 55 137.33 Ba 56 (223) Fr 87 (226) Ra 88 H IA IIA 1 2 138.91 La 57 174.97 Lu 71 140.12 Ce 58 140.91 Pr 59 144.24 Nd 60 (145) 61 150.36 Sm 62 151.96 Eu 63 157.25 Gd 64 158.93 Tb 65 162.50 Dy 66 164.93 Ho 67 167.26 Er 68 168.93 Tm 69 173.05 Yb 70 Pm (227) Ac 89 232.04 Th 90 231.04 Pa 91 238.03 U 92 (262) 103 (237) 93 (244) 94 (243) 95 (247) 96 (247) 97 (251) 98 (252) 99 (257) 100 (258) 101 (259) 102 Lr Np Pu Am Cm Bk Cf Es Fm Md No 44.956 Sc 21 88.906 Y 39 IIIB 3 Tc Bh Rf Db Hs Mt 39.948 35.453 83.798 36 131.29 54 (222) 86 26.982 28.086 30.974 32.065 47.867 Ti 22 50.942 V 23 51.996 Cr 24 54.938 Mn 25 55.845 Fe 26 58.933 Co 27 58.693 Ni 28 63.546 Cu 29 65.38 Zn 30 69.723 Ga 31 72.64 Ge 32 74.922 As 33 78.96 Se 34 79.904 35 91.224 Zr 40 92.906 Nb 41 95.96 Mo 42 178.49 Hf 72 180.95 Ta 73 183.84 W 74 (98) 43 126.90 I 53 101.07 Ru 44 102.91 Rh 45 106.42 Pd 46 107.87 Ag 47 112.41 Cd 48 186.21 Re 75 190.23 Os 76 192.22 Ir 77 195.08 Pt 78 196.97 Au 79 200.59 Hg 80 204.38 Tl 81 207.2 Pb 82 208.98 Bi 83 (209) Po 84 (210) At 85 114.82 In 49 118.71 Sn 50 121.76 Sb 51 127.60 Te 52 Kr Xe Rn Br IVB VB VIB VIIB IB IIB VIIIB 5 4 6 7 8 9 10 11 12 (272) 107 (267) 104 (268) 105 Sg (271) 106 (277) 108 (276) 109 PERIODIC TABLE OF THE ELEMENTS PERIODIC TABLE OF THE ELEMENTS NH SCN 4 + amyl alcohol Ag AsO 3 4 chocolate brown p. yelow ppt. yelow ppt. HNO 3 (conc.) NaAc + AgNO 3 white ppt. black ppt. HNO + HCl 3 (1:3) SnCl 2 Cu Fe(CN) 2 6 reddish brown ppt. Bi 0 brown precipitate Cd CdS yelow precipitate AgCl white precipitate Sb-rhodamine purple solution Sn 4+ grey ppt. Hg Cl 2 2 Pb PbCrO 4 yelow precipitate HgNH Cl + Hg 2 0 black precipitate black ppt. black ppt. brown ppt. black ppt. Cr PbCrO 4 yelow precipitate Al(OH) 3 white precipitate Fe(SCN) 2+ blood red solution ZnS white precipitate Ni-dimethylglyoxime red precipitate Co(SCN) 4 2- deep blue solution + dimethylglyoxime NH 3 (3 mol/L) MnO 4 - purple solution Ba BaCrO 4 yelow precipitate SrSO 4 white precipitate CH COOH 3 (conc.) K CrO 2 4 CH COOH 3 (conc.) (NH ) SO 42 4 CaC O 2 4 white precipitate Mg-quinalizarine blue solution Na-uranyl acetate pale yelow precipitate K K Co(NO ) 3 26 yelow precipitate NH 3 sharp smelling gas Barium apple green Strontium crimson red Calcium brick red Sodium yellow Potassium violet Test tubes 1550 °C Lower reduction zone Lower oxidation zone Higher reduction zone Higher oxidation zone (melting zone) 520 °C 300 °C 1560 °C 1450 °C 1540 °C Heating in the water bath (281) Ds 110 (280) Rg 111 http://www.periodni.com/ www.periodni.com Qualitative inorganic analysis SCHEME FOR THE SEPARATION OF THE CATIONS SCHEME FOR THE SEPARATION OF THE CATIONS Pure Appl. Chem., Vol. , No. 11, (2009) 2131-2156) 81 (285) Cn 112

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Sb , Sn3+ 2+

NaNO +2 rhodamine B

Zn- uranyl acetate

HCl + HgCl2

Sb S2 3 Sb S2 5SnS2

CrO , Al OH42-

4-( )

HAc + Pb(Ac)2 NH Cl4

NH SCN4

Fe OH( )3

brown ppt.

PRECIPITATE

MnSpink ppt.

ZnSwhite ppt.

CoSblack ppt.

NiSblack ppt.

CoS

black ppt.

NiS

black ppt.

Co , Ni2+ 2+

Mn , Zn2+ 2+

MnO2

brown ppt.

HNO + NaBiO3 3

HCl (conc.)

orange ppt. orange ppt.yelow ppt.yelow ppt. yelow ppt. smeñi talog

HNO3 (conc.)

NH3 (conc.)

Hg Cl + Hg2 20

grey precipitate

HNO + H O3 2 2(6 mol/L) (3 %)

Separate the clear liquid from the precipitate

HCl (0.5 mol/L)

NaOH + H O2 2(6 mol/L) (3 %)

(NH ) C O4 2 2 4

Hg , Bi , Cu , Cd , As , As , Sb , Sb , Sn , Sn , Fe , Fe , Cr , Al , Co , Ni , Mn , Zn , Ba , Sr , Ca , Mg , Na , K , NH2+ 3+ 2+ 2+ 3+ 5+ 3+ 5+ 2+ 4+ 2+ 3+ 3+ 3+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ + +4+

Fe , Fe , Cr , Al , Co , Ni , Mn , Zn , Ba , Sr , Ca , Mg , Na , K , NH2+ 3+ 3+ 3+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ + +4+

Co , Ni , Mn , Zn , Ba , Sr , Ca , Mg , Na , K , NH2+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ + +4+

Ba , Sr , Ca , Mg , Na , K , NH2+ 2+ 2+ 2+ + +4+

Na , K ,+ + NH4+

PbCl2white ppt.

AgClwhite ppt.

Hg Cl2 2

white ppt.

AgCl

white ppt.

Hg Cl2 2

white ppt.Pb2+

Ag NH( )3 2+

PRECIPITATE

HgS CuS CdS

yelow ppt.

Bi S2 3 As S2 3

yelow ppt.

As S2 5

yelow ppt.

Sb S2 3

orange ppt.

Sb S2 5

orange ppt.

SnS

smeñi talog

SnS2

yelow ppt.

KOH (3 mol/L)

HCl (3 mol/L)

H S2 (in acidic medium)

H S2 (in basic medium)HCl (6 mol/L)

II a subgroup II b subgroup

HgS CuS

black ppt.

CdS

yelow ppt.

Bi S2 3

brown ppt.

HNO3 (3 mol/L)

HNO3 (conc.)

Hg NO ·2HgS( )3 2

Bi OH( )3

NH3 (conc.)

NH3 (conc.)

Bi , Cu , Cd3+ 2+ 2+

Cu NH , Cd NH( ) ( )3 42+

3 42+

KCN + H S2HAc + Fe(CN)64-

SnO22-

AsS , AsO , SnS , SnO , SbS , SbO43-

2-

32-

32-

43-

2-

As S2 3 As S2 5

As S2 3 As S2 5 SnS

PRECIPITATE

NH Cl + NH OH4 4

(NH ) PO

+ NH4 2 4

3

(0.5 mol/L)

(conc.)

PRECIPITATE

NaOH + H O2 2(6 mol/L) (3 %)

Fe(OH)3

brown ppt.

Cr(OH)3

grey-green p.

Ba PO3 4 2( )

white ppt.

Ca PO3 4 2( )

white ppt.

Sr PO3 4 2( )

white ppt.

MgNH PO4 4

white ppt.

Ca (PO )3 4 2

white ppt.

Sr (PO )3 4 2

white ppt.

MgNH PO4 4

white ppt.

Sr , Ca , Mg2+ 2+ 2+

Ca , Mg2+ 2+

Mg2+

Na Co(NO )3 2 6

NaOH + quinalizarine

PRECIPITATE

NaOHheating

Zn OH 3-

( )

H S2

H O2 (100 °C)

K Cr O2 2 7

Dete

rmin

ed in the o

rigin

al solu

tion

Copyright

Eni G

enera

li,

Split

© 2

005-2

009

c F

aculty o

f C

hem

istr

y a

nd

Technolo

gy,

, C

RO

AT

IA

Al(OH)3

white ppt.

SOLUTION

O R I G I N A L S O L U T I O N

SOLUTION

SOLUTION

SOLUTION

SOLUTION

FLAME COLORINGFLAME COLORING

Pb , Ag , Hg , Hg , Bi , Cu , Cd , As , As , Sb , Sb , Sn , Sn , Fe , Fe , Cr , Al , Co , Ni , Mn , Zn , Ba , Sr , Ca , Mg , Na , K , NH2+ +22+ 2+ 3+ 2+ 2+ 3+ 5+ 3+ 5+ 2+ 4+ 2+ 3+ 3+ 3+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ 2+ + +

4+

4.0026

2

20.180

10

14.007

7

1817

18.998

9

15.999

8

12.011

6

C10.811

B5

Al13

Si14

P15

S16

He

NeN

ArCl

FO

IVA VA VIA VIIA

VIIIA

13 14 15 16 17

18

IIIA

1

2

3

4

5

6

7

1.0079

1

6.941

Li3

9.0122

Be4

22.990

Na11

24.305

Mg12

39.098

K19

40.078

Ca20

85.468

Rb37

87.62

Sr38

132.91

Cs55

137.33

Ba56

(223)

Fr87

(226)

Ra88

H

IA

IIA

1

2

138.91

La57

174.97

Lu71

140.12

Ce58

140.91

Pr59

144.24

Nd60

(145)

61

150.36

Sm62

151.96

Eu63

157.25

Gd64

158.93

Tb65

162.50

Dy66

164.93

Ho67

167.26

Er68

168.93

Tm69

173.05

Yb70

Pm

(227)

Ac89

232.04

Th90

231.04

Pa91

238.03

U92

(262)

103

(237)

93

(244)

94

(243)

95

(247)

96

(247)

97

(251)

98

(252)

99

(257)

100

(258)

101

(259)

102

LrNp Pu Am Cm Bk Cf Es Fm Md No

44.956

Sc21

88.906

Y39

IIIB3

Tc

BhRf Db Hs Mt

39.94835.453

83.798

36

131.29

54

(222)

86

26.982 28.086 30.974 32.065

47.867

Ti22

50.942

V23

51.996

Cr24

54.938

Mn25

55.845

Fe26

58.933

Co27

58.693

Ni28

63.546

Cu29

65.38

Zn30

69.723

Ga31

72.64

Ge32

74.922

As33

78.96

Se34

79.904

35

91.224

Zr40

92.906

Nb41

95.96

Mo42

178.49

Hf72

180.95

Ta73

183.84

W74

(98)

43

126.90

I53

101.07

Ru44

102.91

Rh45

106.42

Pd46

107.87

Ag47

112.41

Cd48

186.21

Re75

190.23

Os76

192.22

Ir77

195.08

Pt78

196.97

Au79

200.59

Hg80

204.38

Tl81

207.2

Pb82

208.98

Bi83

(209)

Po84

(210)

At85

114.82

In49

118.71

Sn50

121.76

Sb51

127.60

Te52

Kr

Xe

Rn

Br

IVB VB VIB VIIB IB IIBVIIIB

54 6 7 8 9 10 11 12

(272)

107

(267)

104

(268)

105

Sg(271)

106

(277)

108

(276)

109

P E R I O D I C TA B L E O F T H E E L E M E N T SP E R I O D I C TA B L E O F T H E E L E M E N T S

NH SCN4

+ amyl alcohol

Ag AsO3 4

chocolate brown p.

yelow ppt. yelow ppt.

HNO3 (conc.)

NaAc + AgNO3

white ppt.

black ppt.

HNO + HCl3 (1:3)

SnCl2

Cu Fe(CN)2 6

reddish brown ppt.

Bi0

brown precipitate

CdCdSyelow precipitate

AgCl

white precipitate

Sb-rhodamine

purple solution

Sn4+

grey ppt. Hg Cl2 2

PbPbCrO4

yelow precipitate

HgNH Cl + Hg20

black precipitate

black ppt.

black ppt. brown ppt. black ppt.

CrPbCrO4

yelow precipitate

Al(OH)3white precipitate

Fe(SCN)2+

blood red solution

ZnSwhite precipitate

Ni-dimethylglyoxime

red precipitateCo(SCN)4

2-

deep blue solution

+ dimethylglyoxime

NH3 (3 mol/L)

MnO4-

purple solution

BaBaCrO4yelow precipitate

SrSO4

white precipitate

CH COOH3 (conc.)

K CrO2 4

CH COOH3 (conc.)

(NH ) SO4 2 4

CaC O2 4

white precipitate

Mg-quinalizarine

blue solution

Na-uranyl acetate

pale yelow precipitate KK Co(NO )3 2 6yelow precipitate

NH3

sharp smelling gas

Bariumapple green

Strontiumcrimson red

Calciumbrick red

Sodiumyellow

Potassiumviolet

Test tubes

1550 °C

Lower reduction zone

Lower oxidation zone

Higher reduction zone

Higher oxidation zone(melting zone)

520 °C

300 °C

1560 °C

1450 °C

1540 °C

Heating in the water bath(281)

Ds110

(280)

Rg111

http://www.periodni.com/

www.periodni.com

Qualitative inorganic analysis

SCHEME FOR THE SEPARATION OF THE CATIONSSCHEME FOR THE SEPARATION OF THE CATIONS

Pure Appl. Chem., Vol. , No. 11, (2009) 2131-2156)81(285)

Cn112