Shim-pack IC Series - Features

HPLC Column

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Examples of Cation Analysis

Shim-pack IC-C4 is a cation analysis column for non-suppressor IC. Because the pH of the mobile phase can be changed by selecting a different combination of acid and base in eluent, non-suppressor IC enables various kinds of analysis.

High Resolution of Na+ and NH4+

High resolution of Na+ and NH4+ has been achieved by improving the peak shape of Na+. The influence on the peak shape of NH4+ from a high concentration of Na+ has been reduced, making it possible to analyze tap water of normal concentration under standard mobile phase conditions. The resolution can be further improved by using a mobile phase treated with 18-crown-6 additive.

Analyses of a Standard Mixture of 5 Cations
■Conditions    
Column ： Shim-pack IC-C4 (150 mmL × 4.6 mmI.D., 7 μm)
(P/N: 228-41616-91)
Mobile Phase ： 2.5 mmol/L oxalic acid
Flow Rate ： 1.0 mL/min
Col. Temp. ： 40 °C
Detection ： CDD
Injection Vol. ： 50 µL

Flexible Mobile Phase Selection

Due to the features of non-suppressor IC, flexible mobile phase composition can be used. Besides normal inorganic cations, Shim-pack IC-C4 is capable of analyzing transition metals by using a mixed mobile phase.
■Conditions    
Column ： Shim-pack IC-C4 (150 mmL × 4.6 mmI.D., 7 μm)
(P/N: 228-41616-91)
Mobile Phase ： A) 2.5 mmol/L oxalic acid
B) 2.5 mmol/L methanesulfonic acid
A/B = 60/40 (v/v)
Flow Rate ： 1.0 mL/min
Col. Temp. ： 40 °C
Detection ： CDD
Injection Vol. ： 50 µL

For more applications, please click here.

Analysis of Anions in Water

Shim-pack IC-SA2 was developed for anion analysis on Shimadzu Ion Chromatograph HIC-SP (suppressor type). It is capable of analyzing fluoride ions, chloride ions, nitrite ions, bromide ions, nitrate ions, phosphate ions, sulfate ions, etc., making it possible to be used in both tap water and environmental water analysis.

Analysis of Standard Anion Samples

Analysis of Tap Water
■Peaks
 
1. F ：1mg/L
2. Cl ：1mg/L
3. NO2 ：1mg/L
4. Br ：1mg/L
5. NO3 ：1mg/L
6. PO4 ：1mg/L
7. SO4 ：1mg/L
 
■Conditions    
Column ： Shim-pack IC-SA2 (250 mmL x 4.0 mmI.D.)
(P/N: 228-38983-91)
Mobile Phase ： 12 mmol/L sodium hydrogen carbonate
0.6 mmol/L sodium carbonate
Flow Rate ： 1.0 mL/min
Col. Temp. ： 30 °C
Detection ： CDD
Injection Vol. ： 50 µL

Higher determination resolution of the components in water-quality analysis

Environmental water and mineral water usually contains silicate. In this kind of analysis, although the water sample contains a large amount of silicic acid, fluoride ions can still be separated and determined with high solution. (same mobile phase as above was used)

For more applications, please click here.

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