potassium chromate

简明释义

铬酸钾

英英释义

例句

1.The chemical reaction between sulfuric acid and potassium chromate produces a bright yellow solution.

硫酸与重铬酸钾的化学反应产生明亮的黄色溶液。

2.Safety precautions must be taken when handling potassium chromate due to its toxic nature.

处理重铬酸钾时必须采取安全预防措施，因为它具有毒性。

3.Researchers are studying the effects of potassium chromate on plant growth.

研究人员正在研究重铬酸钾对植物生长的影响。

4.In the dyeing process, potassium chromate acts as a mordant to fix the color onto the fabric.

在染色过程中，重铬酸钾作为媒染剂固定颜色于织物上。

5.The laboratory used potassium chromate to test the presence of certain metals in the water sample.

实验室使用重铬酸钾来检测水样中某些金属的存在。

作文

Potassium chromate, a chemical compound with the formula K2CrO4, is an important reagent in various industrial and laboratory applications. It is a bright yellow salt that is soluble in water and has a wide range of uses due to its oxidizing properties. One of the primary uses of potassium chromate (铬酸钾) is in the field of analytical chemistry, where it serves as a titrant in redox reactions. Its ability to act as a strong oxidizing agent makes it valuable for determining the concentration of reducing agents in a solution.In addition to its role in analytical chemistry, potassium chromate (铬酸钾) is also utilized in the manufacturing of pigments and dyes. The vibrant yellow color it imparts is used in inks, paints, and plastics. This compound is particularly popular in the production of chrome yellow pigment, which is known for its brightness and stability. However, the use of potassium chromate (铬酸钾) in pigments has raised environmental concerns due to its toxicity and potential carcinogenic effects.Another significant application of potassium chromate (铬酸钾) is in the process of leather tanning. It is used to convert animal hides into durable leather products. The tanning process involves the reaction of potassium chromate (铬酸钾) with collagen fibers in the hide, resulting in a more stable material that resists decomposition. Despite its effectiveness, the use of chromates in tanning has been scrutinized due to health risks associated with exposure to chromium compounds.Moreover, potassium chromate (铬酸钾) plays a role in the field of construction and materials science. It is used as a corrosion inhibitor in cement and concrete formulations. By incorporating potassium chromate (铬酸钾) into these materials, engineers can enhance their durability and resistance to rusting, thereby prolonging the lifespan of structures.While potassium chromate (铬酸钾) has numerous beneficial applications, it is crucial to handle this compound with care. Due to its toxic nature, strict safety protocols must be followed when working with it. Appropriate personal protective equipment should be worn, and proper disposal methods should be employed to prevent environmental contamination.In conclusion, potassium chromate (铬酸钾) is a versatile chemical compound with significant industrial applications. Its roles in analytical chemistry, pigment production, leather tanning, and construction highlight its importance in various fields. However, awareness of its toxicity and environmental impact is essential for safe handling and usage. As industries continue to seek alternatives to hazardous substances, research into safer substitutes for potassium chromate (铬酸钾) is ongoing, aiming to reduce risks while maintaining the effectiveness of the applications it supports.

铬酸钾（化学式K2CrO4）是一种重要的试剂，在各种工业和实验室应用中发挥着重要作用。它是一种明亮的黄色盐，溶于水，因其氧化特性而被广泛应用。铬酸钾的一个主要用途是在分析化学领域，作为氧化还原反应中的滴定剂。它作为强氧化剂的能力使其在确定溶液中还原剂浓度方面具有很高的价值。除了在分析化学中的作用外，铬酸钾还用于制造颜料和染料。它所赋予的鲜艳黄色在墨水、油漆和塑料中得到了应用。这种化合物在生产铬黄颜料时尤其受欢迎，以其亮度和稳定性而闻名。然而，铬酸钾在颜料中的使用引发了环境问题，因为其毒性及潜在的致癌效应。另外，铬酸钾在皮革鞣制过程中也发挥着重要作用。它用于将动物皮革转化为耐用的皮革产品。鞣制过程涉及铬酸钾与皮革中的胶原纤维反应，从而生成一种更稳定的材料，能够抵抗分解。尽管其效果显著，但由于接触铬化合物的健康风险，使用铬酸盐进行鞣制受到审查。此外，铬酸钾在建筑和材料科学领域也有应用。它被用作水泥和混凝土配方中的防腐剂。通过将铬酸钾加入这些材料中，工程师可以提高其耐久性和抗锈蚀性，从而延长结构的使用寿命。尽管铬酸钾有许多有益的应用，但处理这种化合物时必须谨慎。由于其毒性，工作时必须遵循严格的安全规程。应佩戴适当的个人防护装备，并采用正确的处置方法，以防止环境污染。总之，铬酸钾是一种多功能的化学化合物，在工业应用中具有重要意义。它在分析化学、颜料生产、皮革鞣制和建筑等领域的作用突显了其在各个领域的重要性。然而，认识到其毒性和环境影响对于安全处理和使用至关重要。随着行业继续寻求替代有害物质，针对铬酸钾的研究正在进行，旨在减少风险，同时保持其支持的应用的有效性。