basic lead carbonate

简明释义

碱式碳酸铅

英英释义

例句

1.In the manufacturing of ceramics, basic lead carbonate is often added to enhance gloss.

在陶瓷制造中，常常加入铅白以增强光泽。

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

化学式铅白是Pb3(OH)2(CO3)2。

3.Historically, basic lead carbonate was widely used in cosmetics.

历史上，铅白曾广泛用于化妆品中。

4.The artist used basic lead carbonate to achieve a brilliant white color in her paintings.

这位艺术家使用铅白来在她的画作中获得明亮的白色。

5.Safety precautions are essential when handling basic lead carbonate due to its toxic properties.

处理铅白时，由于其毒性特性，安全预防措施是必不可少的。

作文

Basic lead carbonate, known scientifically as 2PbCO3·Pb(OH)2, is a chemical compound that has garnered significant attention in various fields, including art conservation, materials science, and industrial applications. This compound is often referred to as 'white lead' due to its white color and is primarily used as a pigment in paints, particularly in the past when lead-based paints were more common. However, the use of basic lead carbonate has diminished over the years due to health concerns associated with lead exposure. Understanding the properties and implications of this compound is essential for both historical context and modern safety practices.The structure of basic lead carbonate indicates that it consists of lead, carbonate, and hydroxide ions. It forms a complex network that contributes to its unique characteristics. One of the notable features of basic lead carbonate is its excellent opacity and ability to provide a bright white finish, which made it a favored choice among artists and manufacturers. In oil painting, for instance, artists valued basic lead carbonate for its ability to create vibrant whites and enhance the luminosity of colors.Despite its aesthetic advantages, the toxicity of lead compounds has led to stringent regulations regarding their use. Prolonged exposure to lead can result in serious health issues, including neurological damage and developmental problems in children. As a result, many countries have phased out or banned the use of lead-based pigments in consumer products. This shift has prompted researchers and manufacturers to seek safer alternatives that mimic the properties of basic lead carbonate without the associated health risks.In the field of art conservation, the presence of basic lead carbonate in historical artworks poses both challenges and opportunities. Conservators must carefully assess the condition of paintings that contain this pigment, as it can undergo chemical changes over time, leading to deterioration. Techniques such as X-ray fluorescence (XRF) spectroscopy are employed to identify the presence of basic lead carbonate and other pigments, allowing conservators to make informed decisions about restoration methods. The knowledge of how basic lead carbonate interacts with other materials is crucial for preserving the integrity of artworks for future generations.Furthermore, the study of basic lead carbonate extends beyond art into materials science and engineering. Researchers investigate its potential applications in various industries, exploring ways to safely utilize lead compounds while minimizing health risks. Innovations in nanotechnology and alternative materials have opened new avenues for creating pigments that replicate the desirable qualities of basic lead carbonate without compromising safety.In conclusion, basic lead carbonate is a compound that embodies the intersection of art, science, and health. While its historical significance as a pigment is undeniable, the modern understanding of its risks has necessitated a reevaluation of its use. As we move forward, the challenge lies in balancing the appreciation of traditional materials with the imperative to protect human health and the environment. By fostering research and development of safer alternatives, we can honor the legacy of basic lead carbonate while ensuring a healthier future for all.

基本铅碳酸盐，科学上称为2PbCO3·Pb(OH)2，是一种化合物，在艺术保护、材料科学和工业应用等多个领域引起了显著关注。由于其白色的颜色，这种化合物通常被称为“白铅”，主要用作涂料中的颜料，尤其是在过去铅基涂料更为常见的情况下。然而，由于与铅暴露相关的健康问题，基本铅碳酸盐的使用在近年来有所减少。理解这种化合物的性质及其影响对于历史背景和现代安全实践至关重要。基本铅碳酸盐的结构表明，它由铅、碳酸根和氢氧根离子组成。它形成了一个复杂的网络，赋予其独特的特性。基本铅碳酸盐的一个显著特点是其优良的不透明性和提供明亮白色涂层的能力，这使其成为艺术家和制造商的首选。在油画中，例如，艺术家们非常重视基本铅碳酸盐，因为它能够创造出生动的白色并增强颜色的亮度。尽管具有美学优势，但铅化合物的毒性导致了对其使用的严格监管。长期接触铅可能导致严重的健康问题，包括神经损伤和儿童发育问题。因此，许多国家已逐步淘汰或禁止在消费品中使用铅基颜料。这一转变促使研究人员和制造商寻求更安全的替代品，以模仿基本铅碳酸盐的性质，同时避免相关的健康风险。在艺术保护领域，历史艺术品中存在的基本铅碳酸盐既带来了挑战，也带来了机遇。保护者必须仔细评估含有这种颜料的绘画的状态，因为它可能随时间发生化学变化，导致退化。技术如X射线荧光（XRF）光谱法被用来识别基本铅碳酸盐和其他颜料的存在，使保护者能够做出明智的修复方法决策。了解基本铅碳酸盐与其他材料相互作用的方式，对于保护艺术作品的完整性至关重要。此外，基本铅碳酸盐的研究不仅限于艺术领域，还扩展到材料科学和工程。研究人员调查其在各个行业的潜在应用，探索安全利用铅化合物的方法，同时最小化健康风险。纳米技术和替代材料的创新为创造安全的颜料开辟了新途径，这些颜料可以复制基本铅碳酸盐的理想特性，而不妨碍安全。总之，基本铅碳酸盐是一种体现艺术、科学和健康交汇点的化合物。尽管作为颜料的历史意义不可否认，但对其风险的现代理解迫使我们重新评估其使用。随着我们的前进，挑战在于平衡对传统材料的欣赏与保护人类健康和环境的必要性。通过促进安全替代品的研究和开发，我们可以尊重基本铅碳酸盐的遗产，同时确保所有人的健康未来。