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Sep 30, 2026
12:55 AM
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The ion exchange column is a columnar pressure vessel for ion exchange reaction, and is a frequently used equipment in the laboratory. The ion exchange column mainly uses ion exchanger as a stationary phase and is filled into a column with a certain volume. It also needs to be matched with appropriate connecting pipes and joints when in use. The stationary phase in the Cation Exchange Column is formed by bonding cationic groups such as sulfonic acid groups to inert carriers such as cellulose, cross-linked dextran, and cross-linked agarose. It is often used to determine important inorganic cations, including lithium, sodium, ammonium, potassium, magnesium, and calcium. It can also be used to determine biogenic amines and separate proteins. According to the characteristics of the ion resin in the column, the cation exchange column can be divided into the strong acid type and the weak acid type. Their application range is different. When selecting, you need to consider the comprehensive factors such as the pH environment and the interference components of samples.
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