basic lead carbonate

简明释义

碱式碳酸铅

英英释义

例句

1.The chemical formula for basic lead carbonate is Pb3(CO3)2(OH)2.

铅白的化学式是Pb3(CO3)2(OH)2。

2.Historically, basic lead carbonate was commonly used as a white pigment in oil paints.

历史上，铅白常被用作油画中的白色颜料。

3.In the laboratory, we studied the properties of basic lead carbonate under different conditions.

在实验室，我们研究了在不同条件下铅白的性质。

4.The artist used basic lead carbonate to create a vibrant white pigment for his paintings.

艺术家使用铅白来为他的画作创造一种鲜艳的白色颜料。

5.Due to its toxicity, the use of basic lead carbonate in cosmetics has been banned in many countries.

由于其毒性，许多国家已禁止在化妆品中使用铅白。

作文

The chemistry of materials is a fascinating subject that encompasses a wide variety of compounds and their applications. One such compound is basic lead carbonate, which is also known as white lead. This compound, with the chemical formula 2PbCO3·Pb(OH)2, has been historically significant in various industries, particularly in paint manufacturing and cosmetics. Understanding basic lead carbonate involves not only its chemical properties but also its historical context and modern implications.Historically, basic lead carbonate was widely used as a pigment due to its excellent covering power and bright white color. It was a popular choice in oil paints and was used by many famous artists throughout the centuries. However, the use of basic lead carbonate has significantly declined since the late 20th century due to health concerns associated with lead exposure. Lead is a toxic metal that can cause serious health problems, including neurological damage, especially in children. The awareness of these risks led to regulations and bans on the use of lead-based paints in many countries.From a chemical perspective, basic lead carbonate is formed by the reaction of lead oxide with carbon dioxide and water. Its structure consists of lead ions and carbonate ions, which contribute to its unique properties. The compound is insoluble in water but can dissolve in acidic solutions, which is an important characteristic when considering its environmental impact. When basic lead carbonate is disposed of improperly, it can leach into soil and groundwater, posing a risk to ecosystems and human health.In modern industry, while the use of basic lead carbonate has decreased, it still finds applications in certain specialized areas. For instance, it is sometimes used in the production of ceramics and glass, where its properties can enhance the durability and appearance of the final product. Moreover, researchers are exploring safer alternatives to lead-based pigments, aiming to replicate the qualities of basic lead carbonate without the associated health risks.The decline of basic lead carbonate in consumer products highlights the importance of chemical safety and the need for ongoing research into safer materials. As society becomes more aware of the potential hazards of certain chemicals, there is a growing demand for non-toxic substitutes that can provide similar benefits without compromising health. This shift not only protects consumers but also encourages manufacturers to innovate and develop greener alternatives.In conclusion, basic lead carbonate serves as a prime example of how a compound can have both historical significance and modern relevance. While it played a crucial role in art and industry for many years, the understanding of its health risks has led to a reevaluation of its use. As we move forward, it is essential to balance the benefits of chemical compounds with their potential dangers, ensuring that safety and innovation go hand in hand. The story of basic lead carbonate is a reminder of the evolving nature of chemistry and the continuous quest for safer, more sustainable materials in our world.

材料化学是一个迷人的学科，涵盖了各种化合物及其应用。其中一种化合物是基本碳酸铅，也称为白铅。该化合物的化学式为2PbCO3·Pb(OH)2，在各个行业中具有历史重要性，特别是在涂料制造和化妆品中。理解基本碳酸铅不仅涉及其化学性质，还涉及其历史背景和现代意义。历史上，基本碳酸铅因其优良的遮盖力和明亮的白色而被广泛用作颜料。它是油画中的热门选择，被许多著名艺术家在几个世纪以来使用。然而，由于与铅暴露相关的健康问题，基本碳酸铅的使用在20世纪末显著减少。铅是一种有毒金属，会导致严重的健康问题，包括神经损伤，尤其是在儿童中。这些风险的意识导致许多国家对铅基涂料的使用实施了法规和禁令。从化学的角度来看，基本碳酸铅是通过氧化铅与二氧化碳和水的反应形成的。其结构由铅离子和碳酸根离子组成，这些离子赋予其独特的性质。该化合物不溶于水，但可以溶解于酸性溶液中，这在考虑其环境影响时是一个重要特征。当基本碳酸铅不当处置时，它可能会渗入土壤和地下水，给生态系统和人类健康带来风险。在现代工业中，尽管基本碳酸铅的使用有所减少，但它仍然在某些专业领域找到应用。例如，它有时用于陶瓷和玻璃的生产，其中它的性质可以增强最终产品的耐用性和外观。此外，研究人员正在探索安全的替代品，以铅基颜料，旨在复制基本碳酸铅的特性，而不带来相关的健康风险。基本碳酸铅在消费品中的下降突显了化学安全的重要性以及对更安全材料的持续研究的必要性。随着社会对某些化学品潜在危害的认识加深，对无毒替代品的需求不断增长，这些替代品能够提供类似的好处，而不危害健康。这一转变不仅保护消费者，还鼓励制造商创新，开发更环保的替代品。总之，基本碳酸铅作为一个例子，展示了一个化合物可以同时具有历史意义和现代相关性。虽然它在艺术和工业中发挥了关键作用多年，但对其健康风险的理解导致了对其使用的重新评估。随着我们向前发展，平衡化合物的好处与潜在危险至关重要，确保安全与创新并行。基本碳酸铅的故事提醒我们化学的不断发展以及在我们的世界中持续追求更安全、更可持续材料的必要性。