chromium oxide
简明释义
铬绿
英英释义
例句
1.The paint contains chromium oxide, which gives it a vibrant green color.
这种油漆含有铬氧化物,使其呈现出鲜艳的绿色。
2.The glass industry uses chromium oxide to produce colored glass.
玻璃工业使用铬氧化物来生产彩色玻璃。
3.The chemical formula for chromium oxide is Cr2O3.
铬氧化物的化学式是Cr2O3。
4.When heated, chromium oxide can be converted into chromium metal.
加热时,铬氧化物可以转化为铬金属。
5.In ceramics, chromium oxide is often used as a pigment for its stability and durability.
在陶瓷中,铬氧化物常用作颜料,因为它具有稳定性和耐久性。
作文
Chromium is a chemical element with the symbol Cr and atomic number 24. It is a hard, brittle metal that is known for its high resistance to corrosion and oxidation. One of the most common compounds of chromium is chromium oxide, which is a compound formed when chromium reacts with oxygen. 铬氧化物 can exist in various forms, with chromium(III) oxide (Cr2O3) and chromium(VI) oxide (CrO3) being the most notable. These compounds have significant industrial applications and are essential in various fields, including metallurgy, ceramics, and pigments. The most widely used form, chromium(III) oxide, is known for its excellent stability and resistance to heat. It is often used as a green pigment in paints and coatings due to its vibrant color and durability. Additionally, chromium oxide is utilized in the production of glass and ceramics, where it provides color and improves the material's strength. The green hue produced by chromium oxide is not only aesthetically pleasing but also serves practical purposes in various applications. On the other hand, chromium(VI) oxide is a more toxic form of chromium and is known for its hazardous effects on human health and the environment. Exposure to chromium(VI) oxide can lead to serious health issues, including respiratory problems, skin irritation, and an increased risk of cancer. As a result, regulations surrounding the use of chromium oxide have become stricter over the years. Industries that utilize chromium oxide must adhere to safety guidelines to minimize exposure and protect workers and the environment. In metallurgy, chromium oxide plays a crucial role in the production of stainless steel. The addition of chromium to steel enhances its corrosion resistance and overall strength. The presence of chromium oxide in the alloy forms a protective layer that prevents rust and deterioration, making stainless steel a preferred material in many applications, from kitchen utensils to construction materials. Moreover, chromium oxide is also significant in the field of catalysis. It is used as a catalyst in various chemical reactions, particularly in the production of chemicals and fuels. The unique properties of chromium oxide allow it to facilitate reactions efficiently, making it an essential component in many industrial processes. In conclusion, chromium oxide is a vital compound with diverse applications across multiple industries. Its different forms, such as chromium(III) oxide and chromium(VI) oxide, serve distinct purposes, highlighting the importance of understanding the properties and risks associated with these compounds. As industries continue to innovate and develop new technologies, the role of chromium oxide will likely expand, necessitating ongoing research and regulation to ensure safe and effective use. Understanding chromium oxide and its implications is essential for anyone involved in chemistry, environmental science, or industrial applications.
铬是一个化学元素,符号为Cr,原子序数为24。它是一种坚硬、脆弱的金属,以其对腐蚀和氧化的高抵抗力而闻名。铬的最常见化合物之一是铬氧化物,这是铬与氧反应形成的化合物。铬氧化物可以以多种形式存在,其中铬(III)氧化物(Cr2O3)和铬(VI)氧化物(CrO3)是最显著的。这些化合物在工业上有重要应用,并在冶金、陶瓷和颜料等多个领域中至关重要。最广泛使用的形式是铬(III)氧化物,以其优良的稳定性和耐热性而闻名。由于其鲜艳的颜色和耐用性,它通常被用作涂料和涂层中的绿色颜料。此外,铬氧化物还用于玻璃和陶瓷的生产,在这些材料中提供颜色并提高其强度。铬氧化物所产生的绿色色调不仅美观,而且在各种应用中具有实用目的。另一方面,铬(VI)氧化物是一种更具毒性的铬形式,以其对人类健康和环境的危害而闻名。接触铬(VI)氧化物可能导致严重的健康问题,包括呼吸道问题、皮肤刺激和癌症风险增加。因此,围绕铬氧化物的使用法规近年来变得更加严格。利用铬氧化物的行业必须遵守安全指南,以尽量减少暴露并保护工人和环境。在冶金中,铬氧化物在不锈钢的生产中发挥着至关重要的作用。将铬添加到钢中增强了其耐腐蚀性和整体强度。合金中铬氧化物的存在形成了一层保护膜,防止生锈和劣化,使不锈钢成为许多应用中的首选材料,从厨房用具到建筑材料。此外,铬氧化物在催化领域也很重要。它被用作各种化学反应中的催化剂,特别是在化学品和燃料的生产中。铬氧化物的独特性质使其能够有效地促进反应,使其成为许多工业过程中的重要组成部分。总之,铬氧化物是一种重要的化合物,在多个行业中具有多样的应用。其不同形式,如铬(III)氧化物和铬(VI)氧化物,服务于不同的目的,突显出理解这些化合物的性质和风险的重要性。随着行业不断创新和开发新技术,铬氧化物的角色可能会扩大,迫切需要持续的研究和监管,以确保安全和有效的使用。理解铬氧化物及其影响对于任何涉及化学、环境科学或工业应用的人来说都是必要的。
相关单词