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[Chemical Knowledge]：Properties and Uses of Sulphur (Granules)

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The nature and use
of sulfur (particles) in the field of chemical production raw materials
1. Introduction

Sulfur as a common chemical production raw material, has a wide range of applications in many fields. This article will introduce the nature and use of sulfur (particles) in detail, so that readers can better understand and use this important chemical raw material.

2. The nature of sulfur (particles)

1. Physical properties: Sulfur (particles) are usually light yellow solid particles with a special odor. It has a melting point of about 119°C, a boiling point of about 444.6°C and a density of about 2.07g/cm³. Sulfur is insoluble in water, but soluble in carbon disulfide, carbon tetrachloride and other organic solvents.
2. Chemical properties: Sulfur is stable at room temperature, but it can react with oxygen, hydrogen and other gases under heating conditions. In addition, sulfur is also reductive and can react with some metal oxides to produce the corresponding metals and sulfur dioxide.

3. The use of sulfur (particles)

1. Rubber industry: Sulfur, as a vulcanizing agent for rubber, plays a key role in rubber processing. By reacting with the unsaturated bonds in the rubber molecules, sulfur can crosslink the rubber molecules, thereby improving the strength, elasticity, wear resistance and aging resistance of the rubber.
2. Fertilizer production: Sulfur can be used to produce ammonium sulfate, potassium sulfate and other nitrogen and potassium fertilizers. These fertilizers play an important role in improving the yield and quality of crops.
3. Powder manufacturing: Sulfur is one of the main components of gunpowder. After mixing with saltpeter and charcoal, it can be made into gunpowder.
4. paper bleaching: sulfur can be used for paper bleaching, improve paper whiteness and brightness.
5. Food additives: Sulfur can be used as food additives for food preservation and anti-oxidation.
Precautions for
4.

In the process of using sulfur (particles), you need to pay attention to the following:

1. Storage: Sulfur should be stored in a dry, cool, well-ventilated place, avoid direct sunlight and high temperature.
2. Operation: When operating sulfur, personal protective equipment such as protective gloves and goggles should be worn to avoid contact with skin.
3. Toxicity: Although sulfur is less toxic, long-term exposure may cause health problems such as skin allergies and respiratory tract irritation. Therefore, attention should be paid to ventilation during operation and contact time should be reduced as much as possible.
4. Environmental protection: The production and use of sulfur may produce sulfur dioxide and other waste gases, causing pollution to the environment. Therefore, effective measures should be taken in actual production to reduce the impact on the environment.

5. conclusion

In short, sulfur (granules) as a common chemical production raw materials, in rubber, fertilizer, gunpowder, paper bleaching and food additives and other fields have a wide range of applications. During use, attention should be paid to storage, operation, toxicity and environmental protection to ensure safety and environmental protection. By understanding and mastering the nature and use of sulfur, we can better play its role in the field of chemical production and promote the sustainable development of the chemical industry.

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