phthalein

简明释义

英[ˈθæliːn]美[ˈθælɪɪn]

n. [有化]酞（等于 phthaleine）

英英释义

单词用法

同义词

反义词

例句

1.The iron Phthalein green fills in the gaps of green variety in the fields of iron series pigments, and it has substituted the Chromium Oxide green in architectural use.

铁酞绿则填补了国内铁系颜料无绿色品种的空白，在建筑业替代了氧化铬绿。

2.The iron Phthalein green fills in the gaps of green variety in the fields of iron series pigments, and it has substituted the Chromium Oxide green in architectural use.

铁酞绿则填补了国内铁系颜料无绿色品种的空白，在建筑业替代了氧化铬绿。

3.Synthesis of Phthalein Indicators under Microwave Irradiation.

微波作用下酞类指示剂的快速合成。

4.In titration experiments, phthalein serves as an effective indicator for determining acidity.

在滴定实验中，酞菁作为有效指示剂用于确定酸度。

5.The laboratory used a solution of phthalein to test the pH levels of various substances.

实验室使用了酞菁溶液来测试各种物质的pH值。

6.When mixed with a strong base, phthalein turns pink, signaling a basic environment.

当与强碱混合时，酞菁会变成粉红色，标志着碱性环境。

7.Researchers are exploring new applications for phthalein in biomedical fields.

研究人员正在探索酞菁在生物医学领域的新应用。

8.The chemist noted that the color change of phthalein indicates the endpoint of the reaction.

化学家指出，酞菁的颜色变化表示反应的终点。

作文

In the realm of chemistry, various compounds play crucial roles in different applications, one of which is the compound known as phthalein. 酞青 is a type of organic compound that has been widely used in laboratories and industries for its unique properties. It primarily serves as a pH indicator, which is essential for determining the acidity or alkalinity of a solution. Understanding how phthalein works can provide insights into its significance in both academic and practical settings.The structure of phthalein is quite fascinating; it is derived from phthalic acid and phenol. This compound exhibits a remarkable ability to change color depending on the pH level of the solution it is placed in. Typically, phthalein appears colorless in acidic solutions and turns pink in basic solutions. This color change occurs due to the ionization of the compound, which is influenced by the concentration of hydrogen ions in the solution. Such a property makes phthalein an invaluable tool in titrations, where precise measurements of acidity or alkalinity are necessary.Moreover, phthalein is not only limited to laboratory use; it also finds applications in various industries. For instance, it is utilized in the manufacturing of dyes and pigments, contributing to the vibrant colors we see in everyday products. Additionally, phthalein can be found in some medical applications, particularly in tests that measure kidney function. Its ability to indicate changes in pH levels allows healthcare professionals to monitor patients' conditions effectively.The history of phthalein dates back to the late 19th century when it was first synthesized. Since then, researchers have explored its properties and potential uses extensively. Over the years, numerous studies have highlighted the versatility of phthalein, leading to innovations in its application across various fields. This compound has become a staple in chemical education, helping students grasp fundamental concepts related to acids, bases, and indicators.Despite its widespread use, it is important to handle phthalein with care. Like many chemical substances, it can pose health risks if ingested or improperly managed. Safety protocols in laboratories emphasize the importance of using personal protective equipment when working with such compounds to prevent any adverse effects.In conclusion, phthalein is more than just a simple indicator; it is a compound that bridges the gap between theoretical chemistry and practical applications. Its ability to signal changes in pH makes it indispensable in various scientific fields, from education to industry. As our understanding of chemistry continues to evolve, the role of phthalein will undoubtedly remain significant, showcasing the intricate relationship between chemical compounds and their real-world applications. By studying compounds like phthalein, we not only enhance our knowledge of chemistry but also appreciate the profound impact these substances have on our daily lives.

在化学领域，各种化合物在不同的应用中发挥着至关重要的作用，其中一种化合物被称为酞青。酞青是一种有机化合物，因其独特的性质而广泛用于实验室和工业。它主要作为pH指示剂，对于确定溶液的酸碱性至关重要。理解酞青的工作原理可以提供对其在学术和实际应用中重要性的洞察。酞青的结构相当迷人；它是由邻苯二甲酸和酚衍生而来的。这种化合物表现出一种显著的能力，根据其所处溶液的pH值变化颜色。通常，酞青在酸性溶液中呈无色，而在碱性溶液中变为粉红色。这种颜色变化是由于化合物的电离，这受到溶液中氢离子浓度的影响。这种特性使得酞青成为滴定中的宝贵工具，在滴定中，精确测量酸碱度是必要的。此外，酞青不仅限于实验室使用；它还在各个行业中找到应用。例如，它被用于染料和颜料的制造，为我们日常产品的鲜艳颜色做出贡献。此外，酞青还可以在一些医疗应用中找到，特别是在测量肾功能的测试中。其指示pH水平变化的能力使得医疗专业人员能够有效监测患者的状况。酞青的历史可以追溯到19世纪末，当时首次合成了它。从那时起，研究人员广泛探索了其性质和潜在用途。多年来，许多研究突出了酞青的多功能性，导致其在各个领域应用的创新。该化合物已成为化学教育中的一个重要组成部分，帮助学生掌握与酸、碱和指示剂相关的基本概念。尽管酞青的使用广泛，但处理时需要小心。与许多化学物质一样，如果摄入或管理不当，它可能会带来健康风险。实验室中的安全协议强调在处理此类化合物时使用个人防护设备的重要性，以防止任何不良影响。总之，酞青不仅仅是一个简单的指示剂；它是一种连接理论化学与实际应用的化合物。它信号pH变化的能力使其在各个科学领域中不可或缺，从教育到工业。随着我们对化学的理解不断发展，酞青的作用无疑将保持重要性，展示化学化合物与其现实世界应用之间的复杂关系。通过研究像酞青这样的化合物，我们不仅增强了对化学的知识，还欣赏到这些物质对我们日常生活的深远影响。