Periodic Table Of Ion Analysis

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Periodic Table of Ion Analysis
METHOD KEY
COMMONLY DETERMINED
SEPARATION
DETECTION MODE
METAL IONS
Recommended Method(s) of Determination
Ion Exchange
Suppressed Conductivity
In this example: Ion Exchange Separations with
Ion Exclusion
Suppressed Conductivity
Suppressed Conductivity Detection (see Key at left)
2+
+
Atomic Number
VA
VO
VO
56
2
Ion Pairing
Suppressed Conductivity
Ionic Charge
2+
Ba
66.9
82.9
Ion Exchange
Amperometry
Atomic (or Formula) Weight
137.3
Ion Exclusion
Amperometry
3+
2-
Cr
CrO
4
Ion Exchange
Direct UV
52.0
116.0
COMMONLY DETERMINED
Typically Determined
Ion Pairing
Direct UV
as a Polyatomic Ion
NONMETAL IONS
2-
VIA
MoO
4
Ion Exchange
Postcolumn Reaction/Vis
159.9
-
-
IIIB
H
BO
BF
2-
WO
2
3
4
4
60.8
86.8
247.9
O
2-
-
-
…(CARBOHYDRATES)
4
-
2+
3+
CO
CN
RCOO
RCHO
Fe(CN)
Fe
Fe
3
6
60.0
26.0
IVB
211.8
55.8
55.8
VI I I B
NONMETALS
IA
2
2-
2-
-
3
2+
SiO
SiF
Co(CN)
Co
1
He
3
6
6
+
H
I I I B
IVB
VB
VI B
VI I B
4.0
76.1
142.1
214.9
58.9
I IA
5
6
7
8
9
10
1.0
3
4
B
C
N
O
F
Ne
-
2
2+
VIIA
Ni(CN)
Ni
+
2+
Li
Be
4
MOST COMMONLY OCCURRING METAL VALENCIES
10.8
12.0
14.0
16.0
19.0
20.2
-
-
-
+
+
NO
NO
N
NH
RNH
R
NH
NR
NR
3
2
3
4
2
2
3
4
14
15
16
17
18
162.7
58.7
6.9
9.0
11
12
13
Si
P
S
Cl
Ar
62.0
46.0
42.0
18.0
+
2+
III
-
Na
Mg
Al
2
Pd(CN)
28.1
31.0
32.1
35.5
40.0
4
I I IA
IVA
VA
VIA
VI IA
VI I IA
I B
I I B
VB
3-
3-
-
2-
2-
4-
6-
33
34
35
36
…(POLYPHOSPHATES)
23.0
24.3
27.0
PO
PO
H
PO
ROPO
RPO
P
O
P
O
4
3
2
2
3
3
2
7
3
10
210.4
19
20
21
22
23
24
25
26
27
28
29
30
31
32
As
Se
Br
Kr
95.0
79.0
65.0
174.0
253.0
+
2+
III
IV
V
VI
II
III
II
II
II
II
III
IV
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
79.4
79.0
79.9
83.8
2
-
2
-
PtCl
Pt(CN)
52
53
54
39.1
40.1
45.0
47.9
50.9
52.0
54.9
55.8
58.9
58.7
63.5
65.4
69.7
72.6
6
4
3-
-
AsO
AsO
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
Te
I
Xe
4
2
408.1
299.1
+
2+
III
IV
V
VI
VII
III
III
II
I
II
III
IV
III
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
127.6
126.9
131.3
138.9
106.9
85
86
85.5
87.6
88.9
91.2
92.9
95.9
98.0
101.1
102.9
106.4
107.9
112.4
114.8
118.7
121.8
55
56
57
72
73
74
75
76
77
78
79
80
81
82
83
84
At
Rn
1
-n
2+
Cu(CN)
Cu
+
2+
III
IV
V
VI
VII
IV
IV
II
I
II
III
II
III
IV
n
Cs
Ba
La
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
210.0
222.0
ROH
63.5
132.9
137.3
138.9
178.5
180.9
183.9
186.2
190.2
192.2
195.1
197.0
200.6
204.4
207.2
209.0
209.0
87
88
89
104
105
106
107
108
109
110
111
112
113
114
115
116
+
2+
III
IV
V
VI
VII
IV
IV
II
I
II
III
II
III
IV
Rf
Db
Sg
Bh
Hs
Mt
Ds
Rg
Cn
Uut
Fl
Uup
Lv
-
IB
Fr
Ra
Ac
Ag(CN)
2-
2-
2-
-
-
-
2-
2-
2
VIB
…(POLYTHIONATES)
SO
SO
S
SCN
ROSO
RSO
S
O
S
O
223
226
227
267
268
271
272
270
276
281
280
285
284
289
288
293
4
3
3
3
2
3
3
6
159.9
96.1
80.1
32.1
58.1
112.2
192.3
-
-
-
AuCl
Au(CN)
Au(CN)
2-
2-
4
4
2
SeO
SeO
58
59
60
61
62
63
64
65
66
67
68
69
70
71
4
3
338.8
301.0
249.0
III
III
III
III
III
III
III
III
III
III
III
III
III
III
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
143.0
127.0
140.1
140.9
144.2
145.0
150.4
152.0
157.3
158.9
162.5
164.9
167.3
168.9
173.0
175.0
90
91
92
93
94
95
96
97
98
99
100
101
102
103
2+
+
Zn
Zn
IV
V
VI
V
IV
III
III
III
III
III
III
III
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
-
F
65.4
65.4
232.0
231.0
238.0
237.0
244.0
243.0
247.0
247.0
251.0
252.0
257.0
258.0
259.0
260.0
19.0
2-
2+
4+
IIB
Cd(CN)
Cd
Cd
4
-
-
-
-
Cl
ClO
ClO
ClO
2
3
4
112.4
112.4
112.4
VIIB
35.5
67.5
83.5
99.5
2-
2+
+
+
Hg(CN)
Hg
Hg-CH
Hg-C
H
4
3
2
5
-
-
Br
BrO
3
220.6
220.6
220.6
220.6
79.9
127.9
2+
4+
IVB
-
-
Sn
Sn
I
IO
IC systems to fit your lab and budget
IC column chemistries for a wide range of analytes
3
Learn more about today’s ion chromatography systems
Learn more about the new 4 μm IC columns at
126.9
174.9
118.7
118.7
at
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