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What are the main components of chelating agents

Posted on July 24, 2023 By admin No Comments on What are the main components of chelating agents

The main components of chelating agents can be various compounds, depending on the metal ions required for chelation and the application field. The following are some common chelating agent main components:

Organic chelating agent: Organic chelating agent refers to an organic compound composed of carbon, hydrogen, nitrogen, oxygen and other elements, which usually contains one or more coordination sites capable of forming Coordinate covalent bond with metal ions. Common organic chelating agents include:

Amino acid and its derivatives: such as Ethylenediaminetetraacetic acid (EDTA), Nitroso di Ethylenediamine (NTA).

Polyacids: such as polyphosphates (such as sodium polyphosphate).

Benzodinitrophenanthrene (BAPTA).

Ligand organic compounds: such as bis (2-neneneba benzimidazolyl) ethylamine (Bis phenylimidazole).

Sulfide: Some sulfide compounds also have chelating effect, such as Thioacetic acid, dithiocarbamic acid, etc.

Polyacids: Polyacids are also widely used in chelation reactions, such as phosphates, nitrates, sulfates, etc.

Natural product: some Natural product also have chelating properties, such as Ellagic acid, citric acid, etc.

It is necessary to select appropriate chelating agent components based on specific application requirements and target metal ions. In addition, chelating agents can be a single component or a complex of multiple components. In practical applications, appropriate choices and adjustments are often made based on reaction conditions and required performance.

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