sodium nitrite
简明释义
亚硝酸钠
英英释义
Sodium nitrite is a chemical compound with the formula NaNO2, used primarily as a food preservative and color fixative in meats. | 亚硝酸钠是一种化学化合物,化学式为NaNO2,主要用作食品防腐剂和肉类的着色固定剂。 |
例句
1.In laboratory settings, sodium nitrite is often used as a reagent in chemical reactions.
在实验室环境中,亚硝酸钠常用作化学反应中的试剂。
2.Some studies have linked high consumption of sodium nitrite to health risks.
一些研究将高消费量的亚硝酸钠与健康风险联系在一起。
3.When handling sodium nitrite, it is important to wear protective gloves.
处理亚硝酸钠时,佩戴保护手套非常重要。
4.In the food industry, sodium nitrite is commonly used as a preservative in processed meats.
在食品行业,亚硝酸钠通常用作加工肉类的防腐剂。
5.The use of sodium nitrite in curing meats helps to prevent bacterial growth.
在腌制肉类中使用亚硝酸钠有助于防止细菌生长。
作文
Sodium nitrite, known chemically as NaNO2, is a versatile compound that plays a crucial role in various industries. One of its most prominent uses is in the food industry, where it serves as a preservative and color fixative in cured meats. The addition of sodium nitrite (亚硝酸钠) not only enhances the flavor of products like bacon, ham, and sausages but also helps prevent the growth of harmful bacteria, particularly Clostridium botulinum, which can cause botulism, a potentially fatal illness. However, the use of sodium nitrite (亚硝酸钠) has raised concerns due to its potential health risks. When exposed to high temperatures, it can form nitrosamines, compounds that are considered carcinogenic. This has led to ongoing debates about the safety of consuming processed meats containing sodium nitrite (亚硝酸钠). In addition to its applications in food preservation, sodium nitrite (亚硝酸钠) is also utilized in various industrial processes. It is commonly used in the manufacture of dyes, pharmaceuticals, and rubber products. In the pharmaceutical industry, sodium nitrite (亚硝酸钠) is employed as a vasodilator, helping to widen blood vessels and improve blood flow. This property makes it valuable in treating certain medical conditions, such as cyanide poisoning, where it acts by converting hemoglobin into methemoglobin, which can then bind to cyanide ions and facilitate their excretion from the body.Moreover, sodium nitrite (亚硝酸钠) has applications in the field of chemistry, particularly in organic synthesis. It is often used as a reagent in reactions involving diazotization, where it helps to convert primary amines into diazonium salts, which are important intermediates in the synthesis of various organic compounds. This reaction is fundamental in producing azo dyes, which are widely used in textiles and other industries.Despite its usefulness, the handling and storage of sodium nitrite (亚硝酸钠) require caution. It is classified as a hazardous substance, and exposure can lead to serious health issues, including methemoglobinemia, a condition where hemoglobin is altered and cannot effectively carry oxygen. Therefore, safety protocols must be strictly followed when working with this compound to minimize risks.In conclusion, sodium nitrite (亚硝酸钠) is a compound with diverse applications, ranging from food preservation to industrial manufacturing and medical treatments. While it offers significant benefits, particularly in extending the shelf life of food products and aiding in medical emergencies, it is essential to remain aware of its potential dangers. Ongoing research and regulation are necessary to ensure that the use of sodium nitrite (亚硝酸钠) remains safe for consumers and workers alike, balancing its advantages against the associated risks.
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