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What are the uses of refined oxalic acid

Views: 2     Author: Site Editor     Publish Time: 2024-02-19      Origin: Site

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Introduction to oxalic acid


Oxalic acid is an inorganic acid with the chemical formula H ₂ C ₂ O ₄, also known as oxalic acid. It is a white crystalline solid that is easily soluble in water. Oxalic acid is widely present in many plants in nature, such as sheep grass, sorrel, etc. It can also be extracted from woody plants and vegetables. Oxalic acid has strong reducing and chelating properties and is widely used in industry as a dehydrating agent, reducing agent, and chelating agent. In addition, oxalic acid can also be used in cleaning products and medical fields. However, it should be noted that oxalic acid is a toxic chemical and should be carefully avoided from contact with the skin and eyes during use to avoid injury.


Industrial use of oxalic acid


Dehydrating agent: Oxalic acid can be used as a dehydrating agent in organic synthesis, for example, in esterification reactions, it plays a role in dehydration, helping to carry out the reaction and purify the product.

Reducing agent: Oxalic acid has strong reducing properties and can be used as a reducing agent for both metallic and non-metallic substances. In industrial production, oxalic acid is commonly used in the reduction reaction of metal oxides, such as reducing iron oxides to iron powder.

Chelating agent: Oxalic acid can form stable complexes with metal ions, so it is often used as a chelating agent for metals in industry. For example, in water treatment, oxalic acid can combine with metal ions such as calcium and magnesium to prevent its precipitation and the formation of scale.

Preparation of oxalates: Oxalic acid can also be used to prepare oxalates, such as ammonium oxalate, sodium oxalate, etc., and has important applications in fertilizer production and other industrial fields.

Other uses: Oxalic acid can also be used in some special industrial processes, such as catalysts and surfactants for certain organic synthesis reactions



Oxalic acid for household use


Cleaning agent: Oxalic acid can be used as a cleaning agent, especially for removing scale and metal oxides. In households, oxalic acid is commonly used to clean the surfaces of kitchens and bathrooms, such as cleaning faucets and bathtubs.

Welding flux: Oxalic acid can be used as a welding flux for welding metal parts in home repairs and DIY projects. Oxalic acid can dissolve the oxide layer, making the metal surface easier to weld.

Oxalic acid detergent: Oxalic acid can also be used as an oxalic acid detergent to remove stains and deposits on clothing and fabrics. Oxalic acid detergents are typically used for special cleaning tasks, such as removing rust.

Other uses: Oxalic acid can also be used for other purposes in households, such as as as a reagent for certain chemical experiments or as a component of household medicines. However, it should be noted that oxalic acid is a toxic chemical that should be carefully avoided from contact during use to prevent injury



Safety precautions when using oxalic acid


Avoid contact: Oxalic acid is a toxic chemical that should be avoided as much as possible from direct skin and eye contact. Appropriate protective gloves and goggles should be worn when using.

Good ventilation: When using oxalic acid, ensure good ventilation to prevent its vapor from causing harm to the human body. It is best to use it outdoors or in a well ventilated area.

Avoid mixing: Mixing oxalic acid with other chemicals may produce toxic gases or pose a risk of fire. Therefore, contact with other chemicals should be avoided when using oxalic acid.

Attention to storage: Oxalic acid should be stored in a dry, cool place, and away from sources of fire and flammable materials. Oxalic acid should be stored in containers marked with warning signs to prevent accidental ingestion or use.

Emergency treatment: If accidentally exposed to oxalic acid, immediately rinse the affected area with clean water and seek medical attention promptly. If oxalic acid is taken by mistake, it should be given plenty of water immediately and seek medical attention immediately.

Keep away from children and pets: As oxalic acid is a toxic chemical, it should be stored out of reach of children and pets to prevent accidents.



The impact of oxalic acid on the environment


The impact of oxalic acid on the environment is mainly reflected in the following aspects:

Water pollution: The release of a large amount of oxalic acid into water may lead to water pollution and affect the survival of aquatic organisms. Oxalic acid is soluble in water and once it enters the water, it will have a certain impact on the water quality.

Soil pollution: Oxalic acid can also cause pollution in soil, especially in industrial production processes where oxalic acid is heavily used. Oxalic acid may affect soil fertility and biodiversity.

Impact on plants: High concentrations of oxalic acid may cause damage to plants, affecting their growth and development.


The benefits of purifying oxalic acid

The benefits of purifying oxalic acid are mainly reflected in the following aspects:

Improving purity: Refined oxalic acid has a higher purity and therefore performs better in many applications. It can improve the effectiveness of cleaning agents and metal polishing agents, while reducing unnecessary impurities.

Improving performance: Compared to unrefined oxalic acid, refined oxalic acid performs more reliably in medical and industrial applications. It has higher stability and longer lasting effects.

Reducing pollution: Purifying oxalic acid can reduce environmental pollution. When preparing compounds such as oxalates, the use of purified oxalic acid can reduce pollution to water and soil.

Improving production efficiency: The use of purified oxalic acid can improve production efficiency. Due to its higher purity, less oxalic acid is required in the production process, thereby reducing production costs.


conclusion

In the application of oxalic acid, purified oxalic acid has higher purity and stability, which can improve the effectiveness of cleaning agents and metal polishing agents, while reducing environmental pollution. In contrast, unrefined oxalic acid may contain more impurities and have lower performance and stability. Therefore, in medical and industrial applications, choosing purified oxalic acid can better meet the demand, improve product quality and effectiveness.


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