Please use this column with suppressor type ion chromatography system.
The concentration of sodium carbonate (Na2CO3) in eluent influences the retention of some anions when analyzed by IC SI-35 4D (a column for anions analysis).
Substances
|
Retention Time (min) |
|||||
---|---|---|---|---|---|---|
Conc. of Na2CO3 (mM)
|
||||||
3.0
|
3.2
|
3.4
|
3.6
|
3.8
|
4.0
|
|
F-
|
3.66
|
3.58
|
3.52
|
3.47
|
3.41
|
3.36
|
Glycolic acid
|
4.00
|
3.87
|
3.78
|
3.75
|
3.69
|
3.65
|
Pyroglutamic acid
|
4.01
|
3.92
|
3.85
|
3.77
|
3.72
|
3.66
|
Lactic acid
|
4.03
|
3.90
|
3.80
|
3.78
|
3.72
|
3.68
|
Acetic acid
|
4.14
|
3.97
|
3.89
|
3.88
|
3.83
|
3.78
|
Levulinic acid
|
4.19
|
4.05
|
3.93
|
3.92
|
3.87
|
3.82
|
Propionic acid
|
4.40
|
4.22
|
4.11
|
4.11
|
4.04
|
3.99
|
Formic acid
|
4.51
|
4.39
|
4.17
|
4.21
|
4.15
|
4.09
|
Butyric acid
|
4.81
|
4.69
|
4.59
|
4.49
|
4.42
|
4.34
|
Acrylic acid
|
4.85
|
4.71
|
4.52
|
4.51
|
4.44
|
4.38
|
Pyruvic acid
|
4.85
|
4.72
|
4.63
|
4.52
|
4.45
|
4.37
|
ClO2-
|
5.04
|
4.90
|
4.80
|
4.71
|
4.63
|
4.54
|
Methacrylic acid
|
5.37
|
5.22
|
5.12
|
5.02
|
4.92
|
4.82
|
BrO3-
|
5.37
|
5.23
|
5.12
|
5.02
|
4.93
|
4.83
|
Cl-
|
5.71
|
5.56
|
5.44
|
5.33
|
5.24
|
5.14
|
Valeric acid
|
5.87
|
5.71
|
5.59
|
5.45
|
5.36
|
5.26
|
NO2-
|
7.04
|
6.84
|
6.69
|
6.54
|
6.42
|
6.29
|
Br-
|
9.10
|
8.83
|
8.62
|
8.41
|
8.28
|
8.09
|
ClO3-
|
9.66
|
9.36
|
9.15
|
8.92
|
8.78
|
8.56
|
Trifluoroacetic acid
|
9.77
|
9.45
|
9.17
|
8.94
|
8.76
|
8.59
|
NO3-
|
10.75
|
10.41
|
10.16
|
9.88
|
9.75
|
9.52
|
HPO42-
|
13.25
|
12.34
|
11.57
|
11.05
|
10.41
|
9.91
|
SO32-
|
14.30
|
13.32
|
12.53
|
11.89
|
11.29
|
10.67
|
Benzoic acid
|
14.31
|
13.84
|
13.42
|
13.05
|
12.77
|
12.53
|
SO42-
|
14.36
|
13.37
|
12.60
|
12.00
|
11.29
|
10.70
|
Malonic acid
|
15.37
|
14.35
|
13.65
|
12.61
|
12.03
|
11.41
|
Malic acid
|
15.40
|
14.37
|
13.59
|
12.61
|
12.03
|
11.42
|
Tartaric acid
|
15.74
|
14.66
|
13.93
|
12.88
|
12.28
|
11.65
|
Citraconic acid
|
15.77
|
14.79
|
13.86
|
12.97
|
12.35
|
11.76
|
Succinic acid
|
16.32
|
15.19
|
14.48
|
13.35
|
12.74
|
12.08
|
Maleic acid
|
16.36
|
15.25
|
14.40
|
13.36
|
12.75
|
12.11
|
Adipic acid
|
16.38
|
16.26
|
15.35
|
14.27
|
13.57
|
12.88
|
Oxalic acid
|
16.54
|
15.41
|
14.59
|
13.52
|
12.89
|
12.22
|
Glutaric acid
|
16.58
|
15.52
|
14.58
|
13.62
|
12.96
|
12.34
|
Pimelic acid
|
19.12
|
17.88
|
16.78
|
15.65
|
14.92
|
14.16
|
WO42-
|
21.22
|
19.72
|
18.56
|
17.61
|
16.55
|
15.64
|
MoO42-
|
22.96
|
21.34
|
20.08
|
19.02
|
17.89
|
16.92
|
S2O32-
|
23.98
|
22.26
|
20.91
|
19.79
|
18.61
|
17.58
|
Fumaric acid
|
24.87
|
23.15
|
21.71
|
20.23
|
19.23
|
18.24
|
CrO42-
|
25.22
|
23.40
|
22.00
|
20.80
|
19.59
|
18.49
|
Phthalic acid
|
25.98
|
24.12
|
22.67
|
20.97
|
19.95
|
18.89
|
I-
|
26.56
|
25.58
|
24.91
|
24.22
|
23.95
|
23.31
|
SCN-
|
46.36
|
44.70
|
43.65
|
42.44
|
41.96
|
41.38
|
Column : Shodex IC SI-35 4D (4.0mmI.D. x 150mm) Eluent : Na2CO3 aq. Flow rate : 0.6mL/min Detector : Suppressed conductivity Column temp. : 45℃
Sample Name Index
- Acetic acid
- Acrylic acid
- Adipic acid
- Benzoic acid
- Bromate, BrO3-
- Bromide, Br-
- Chlorate, ClO3-
- Chloride, Cl-
- Chlorite, ClO2-
- Chromate, CrO42-
- Citraconic acid
- Fluoride, F-
- Formic acid
- Fumaric acid
- Glutaric acid
- Glycolic acid
- Iodide, I-
- Lactic acid
- Levulinic acid
- Maleic acid
- Malic acid
- Malonic acid
- Methacrylic acid
- Molybdate, MoO42-
- Nitrate, NO3-
- Nitrite, NO2-
- Oxalic acid
- Phosphate dibasic, HPO42-
- Phthalic acid
- Pimelic acid
- Propionic acid
- Pyroglutamic acid
- Pyruvic acid
- Succinic acid
- Sulfate, SO42-
- Sulfite, SO32-
- Tartaric acid
- Thiocyanate, SCN-
- Thiosulfate, S2O32-
- Trifluoroacetic acid
- Tungstate, WO42-
- n-Butyric acid
- n-Valeric acid
Operation Manual / Certificate of Analysis
Operation Manuals and Certificate of Analysis / Inspection Certificate for the following products can be downloaded here.
Product Name Index
Applications
- Table of Anion Retention Time under Various Eluent Conditions (SI-90 4E)
- Effects of Sodium Carbonate Concentration on Retention Time (SI-90 4E)
- Effects of Sodium Bicarbonate Concentration on Retention Time (SI-90 4E)
- Effects of Temperature on Elution Time (SI-90 4E)
- Effects of Added Acetonitrile on the Retention Time (SI-90 4E)
- Effects of Column Temperature on Retention Time (SI-50 4E)
- Effects of Sodium Carbonate Concentration on Retention Time (SI-50 4E)
- Anion Standards (19) Rapid Analysis (SI-90 4E)
- Anion Standards (20) (Simultaneous Analysis of HS-, SO32-, SO42- and S2O32-) (SI-90 4E)
- Anion Standards (21) (Methanesulfonic Acid)
- High Sensitive Analysis of Anions (SI-90 4E)
- Anion Standards and Organic Acids (2) (SI-90 4E)
- Anion Standards and Organic Acids (3) (SI-50 4E)
- Mineral Water (2) (SI-90 4E)
- Sulfite in Wine (2) (SI-90 4E)
- Sodium Azide (2) (SI-90 4E)
- Sulfamic Acid (SI-90 4E)
- Sea Water (3) (SI-90 4E)
- Perchloric Acid (SI-90 4E)
- Analysis of Iodide Ion (SI-90 4E)
- Fluoroacetid Acids (SI-50 4E)
- Anion Analysis in Lithium Salts (3) (SI-90 4E)
- Analysis of Oxyhalides (SI-52 4E)
- Effects of Temperature on Retention Time (SI-52 4E)
- Calibration Curves for Oxyhalides (SI-52 4E)
- Analysis of Organic Acids and Oxyhalides (SI-52 4E)
- Analysis of Oxyhalides and Anions (SI-52 4E)
- Analysis of Oxyhalides and Anions in River Water (SI-52 4E)
- Analysis of Oxyhalides and Anions in Rain Water (SI-52 4E)
- Analysis of Oxyhalides and Anions in Tap Water (SI-52 4E)
- Iodic Acid (SI-52 4E)
- Separation of Phosphate, Phosphtite and Hypophosphite (SI-52 4E)
- Separation of Phosphate, Phosphtite and Hypophosphite (SI-90 4E)
- Analysis of Chloride According to Japanese Testing Methods for Fertilizers (SI-52 4E)
- Analysis of Sulfate According to Japanese Testing Methods for Fertilizers (SI-90 4E)
- Rapid Analysis of Oxyhalides and Anions (SI-35 4D) (1)
- Rapid Analysis of Oxyhalides and Anions (SI-35 4D) (2)
- Effects of Temperature on Retention Time (SI-35 4D)
- Analysis of Oxyhalides and Anions in Tap Water (SI-35 4D)
- Analysis of Organic Acids and Oxyhalides (SI-35 4D)
- Methanesulfonic Acid and Methanedisulfonic Acid (SI-35 4D)
- Calibration Curves (SI-35 4D)
- Effects of Injection Volume (SI-35 4D)
- Effects of Sample Concentration on Theoretical Plate Number (SI-35 4D)
- Analysis of Tricarboxylic Acids (SI-35 4D)
- Analysis of Sulfite in Disposable Wooden Chopsticks (SI-35 4D)
- Analysis of Alkyl Sulfonic Acids (2) (SI-35 4D)
- Rapid Analysis of Anion Standards (SI-35 2B)
- Calibration Curves (SI-35 2B)
- Effects of Temperature on Retention Time (SI-35 2B)
- Analysis of Anions (SI-36 4D)
- Effects of Potassium Hydroxide Concentration on Retention Time (SI-36 4D)
- Effects of Potassium Hydroxide Concentration on Retention Time (2) (SI-36 4D)
- Effects of Temperature on Retention Time (SI-36 4D)
- Simultaneous Analysis of Common Oxyhalides and Anions (SI-37 4D)
- Analysis of Oxyhalides in Artificial-Drinking Water According to EPA Method 300.1 (SI-37 4D)