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What are the main uses of sodium citrate?

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Valid until: 2023-12-31 [Expired]
Updated on: 2023-04-01 11:57
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Sodium citrate, also known as sodium citrate, is an organic compound. It is a sodium salt. Its chemical formula is Na3C6H5O7. The appearance is white to colorless crystals, with the taste of soapy water. It is easily soluble in water and glycerin, but hardly soluble in alcohols and other organic solvents. Deliquescence, weathering in hot air.

Structurally, citric acid is a tricarboxylic acid compound, and therefore has similar physical and chemical properties to other carboxylic acids. When heated to 175 ℃, the structural formula of citric acid will decompose to produce carbon dioxide and water, leaving some white crystals. Citric acid is a strong organic acid. It has 3 H+ that can be ionized. It can be decomposed into a variety of products when heated, and react with acids, alkalis, glycerin, etc.

Generally speaking, the first reaction of sodium citrate is to use in vitro anticoagulation. When fresh blood is taken clinically, some disinfected sodium citrate needs to be added to prevent blood clotting. So sodium citrate is Known as anticoagulants. Sodium citrate has other applications besides its use in in vitro anticoagulation. Let's take a look at Desheng.

1. Used in chemical industry

In chemical technology, citric acid can be used as a reagent for chemical analysis, as an experimental reagent, chromatographic analysis reagent and biochemical reagent; as a complexing agent and masking agent; and as a buffer solution.

2. For environmental protection

Sodium citrate buffer is used for flue gas desulfurization. China is rich in coal resources and constitutes the main part of energy. However, there has been a lack of effective flue gas desulfurization technology, which has caused serious atmospheric SO2 pollution. To study an effective desulfurization process is indeed a top priority. Citric acid-sodium citrate buffer solution is a desulfurization absorbent with great development value due to its low vapor pressure, non-toxicity, stable chemical properties, and high absorption rate of SO2.

3. Used in cosmetics

Citric acid is a kind of fruit acid. Its main function is to accelerate the renewal of keratin. It is often used in lotions, creams, shampoos, whitening products, anti-aging products, and acne products. The renewal of keratin helps to peel off the melanin of the skin, shrink the pores, and dissolve blackheads.

4. Used in medicine

During the formation of prothrombin activator and the subsequent clotting process, calcium ions must be involved. Citrate ions and calcium ions can form a soluble complex that is difficult to dissociate, thereby reducing the concentration of calcium ions in the blood and hindering blood coagulation. It is often used as an in vitro anticoagulant during blood transfusion or laboratory blood sample anticoagulation.

Desheng specializes in the research and development, production and sales of blood collection tube additives, in vitro diagnostic reagents, biological buffers, and luminescent substrates. In terms of blood collection tube additives, it has formed independent intellectual property rights and professional production research and development capabilities. A variety of additives can be produced. The blood sample anticoagulation series products include heparin sodium, heparin lithium, sodium citrate, EDTA dipotassium, EDTA tripotassium, potassium oxalate, etc.; the blood sample procoagulant series products include blood coagulation powder, blood coagulation The materials used in the pretreatment of blood samples include separating gels, siliconizing agents, etc.

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