chemically pure

简明释义

化学纯

英英释义

例句

1.When synthesizing compounds, it is crucial to use chemically pure solvents.

在合成化合物时，使用化学纯净的溶剂是至关重要的。

2.The laboratory requires all reagents to be chemically pure for accurate results.

实验室要求所有试剂必须是化学纯净的以获得准确的结果。

3.The pharmaceutical company ensures that its active ingredients are chemically pure before production.

制药公司确保其活性成分在生产前是化学纯净的。

4.The chemically pure water is essential for the calibration of our instruments.

用于仪器校准的水必须是化学纯净的。

5.For the experiment, we need chemically pure samples to avoid contamination.

为了实验，我们需要化学纯净的样品以避免污染。

作文

In the world of chemistry, the term chemically pure refers to substances that are free from any impurities or contaminants. This concept is crucial for chemists and researchers who rely on precise measurements and reactions in their experiments. When a substance is described as chemically pure, it means that it contains only one type of molecule or compound, ensuring that the results obtained during experimentation are accurate and reproducible.For instance, consider the preparation of a chemical solution. If a chemist is working with a reagent that is not chemically pure, the presence of other substances could interfere with the reaction, leading to erroneous conclusions. This is why obtaining chemically pure materials is essential in laboratories. Many industries, such as pharmaceuticals and food production, also prioritize the use of chemically pure ingredients to ensure safety and efficacy in their products.The process of achieving chemically pure substances often involves various techniques, including distillation, crystallization, and chromatography. Each of these methods aims to separate the desired compound from impurities effectively. For example, in distillation, a mixture is heated until one component vaporizes, and then it is cooled to collect the purified liquid. This method is widely used to obtain chemically pure solvents that are vital in many chemical reactions.Moreover, the importance of chemically pure substances extends beyond the laboratory. In environmental science, researchers analyze soil and water samples to determine contamination levels. The presence of chemically pure samples allows scientists to establish baseline measurements and assess the extent of pollution. Without chemically pure references, it would be challenging to gauge the impact of human activity on natural ecosystems.In education, teaching students about the significance of chemically pure substances helps them understand the foundational principles of chemistry. Students learn that even small amounts of impurities can drastically alter the outcomes of experiments. This knowledge cultivates a sense of responsibility and precision in future scientists, encouraging them to strive for chemically pure results in their work.In conclusion, the term chemically pure is more than just a label; it embodies the essence of scientific integrity and accuracy. Whether in a research lab, an industrial setting, or an educational environment, the pursuit of chemically pure substances is paramount. It ensures that our understanding of chemical reactions and processes remains reliable and valid. As we continue to advance in science and technology, the demand for chemically pure materials will only grow, highlighting their critical role in innovation and discovery.

在化学领域，术语chemically pure指的是没有任何杂质或污染物的物质。这个概念对于依赖精确测量和反应的化学家和研究人员至关重要。当一种物质被描述为chemically pure时，这意味着它仅包含一种类型的分子或化合物，确保在实验过程中获得的结果是准确和可重复的。例如，考虑化学溶液的制备。如果一位化学家在使用不chemically pure的试剂，那么其他物质的存在可能会干扰反应，导致错误的结论。这就是为什么在实验室中获得chemically pure材料至关重要。许多行业，如制药和食品生产，也优先使用chemically pure成分，以确保其产品的安全性和有效性。实现chemically pure物质的过程通常涉及各种技术，包括蒸馏、结晶和色谱法。每种方法旨在有效地将所需化合物与杂质分离。例如，在蒸馏中，混合物被加热，直到其中一个组分蒸发，然后冷却以收集纯化的液体。这种方法广泛用于获取在许多化学反应中至关重要的chemically pure溶剂。此外，chemically pure物质的重要性超越了实验室。在环境科学中，研究人员分析土壤和水样以确定污染水平。存在chemically pure样本使科学家能够建立基线测量并评估污染的程度。如果没有chemically pure参考，评估人类活动对自然生态系统的影响将变得困难。在教育中，教导学生理解chemically pure物质的重要性有助于他们理解化学的基础原则。学生们了解到，即使是少量的杂质也会极大地改变实验的结果。这种知识培养了未来科学家的责任感和精确性，鼓励他们在工作中追求chemically pure的结果。总之，术语chemically pure不仅仅是一个标签；它体现了科学诚信和准确性的本质。无论是在研究实验室、工业环境还是教育环境中，追求chemically pure物质都是至关重要的。它确保我们对化学反应和过程的理解保持可靠和有效。随着我们在科学和技术上的不断进步，对chemically pure材料的需求只会增加，突显出它们在创新和发现中的关键作用。