xanthation

简明释义

[zænˈθeɪʃən][zænˈθeɪʃn]

n. 黄化;[化学] 黄原酸化作用

英英释义

Xanthation refers to the process of converting polysaccharides, particularly starch, into xanthates, which are derivatives formed by the reaction with carbon disulfide and an alkali.

黄化是将多糖,尤其是淀粉,转化为黄原酸盐的过程,这些黄原酸盐是通过与二硫化碳和碱反应形成的衍生物。

单词用法

the process of xanthation

xanthation的过程

xanthation reaction

xanthation反应

xanthation of cellulose

纤维素的xanthation

xanthation with carbon disulfide

与二硫化碳的xanthation

同义词

yellowing

发黄

The xanthation process leads to the yellowing of the leaves in certain plants.

黄化过程导致某些植物叶子发黄。

xanthic reaction

黄色反应

The xanthic reaction can be observed in the presence of certain chemicals.

在某些化学物质的存在下,可以观察到黄色反应。

反义词

decoloration

脱色

The fabric underwent decoloration due to prolonged exposure to sunlight.

由于长时间暴露在阳光下,这种织物发生了脱色。

bleaching

漂白

Bleaching agents are often used in laundry to achieve a whiter appearance.

漂白剂常用于洗衣,以达到更白的外观。

例句

1.Chitosan with excellent xanthation ability has high requirement on purity, degree of polymerization and degree of deacetylation.

具有良好黄化反应性能的壳聚糖对原料的纯度、聚合度、脱乙酞度等指标是有一定要求的。

2.Chitosan with excellent xanthation ability has high requirement on purity, degree of polymerization and degree of deacetylation.

具有良好黄化反应性能的壳聚糖对原料的纯度、聚合度、脱乙酞度等指标是有一定要求的。

3.During the experiment, the xanthation process changed the color of the solution significantly.

在实验过程中,黄化过程显著改变了溶液的颜色。

4.The researchers documented the xanthation effects in their latest paper on polymer chemistry.

研究人员在他们关于聚合物化学的最新论文中记录了黄化的影响。

5.Understanding xanthation is crucial for chemists working with sulfide compounds.

理解黄化对于处理硫化物的化学家至关重要。

6.In the laboratory, we observed the process of xanthation during the reaction with carbon disulfide.

在实验室中,我们观察到与二硫化碳反应时的黄化过程。

7.The xanthation of cellulose can be an essential step in producing viscose fibers.

纤维素的黄化可以是生产粘胶纤维的重要步骤。

作文

In the field of organic chemistry, various reactions and processes are studied to understand the transformation of different compounds. One such intriguing process is known as xanthation. This term refers to a specific chemical reaction where xanthate esters are formed from alcohols and carbon disulfide in the presence of a base. The significance of xanthation lies not only in its application in synthesizing xanthates but also in its role in the broader context of organic synthesis and industrial applications.To comprehend xanthation, it is essential to first grasp what xanthates are. Xanthates are a class of chemicals that contain the functional group -OC(S)S- and are often used as intermediates in the production of various chemicals. They are particularly well-known for their use in the flotation process in mineral processing, where they help separate valuable minerals from ores. The formation of xanthates through xanthation is a critical step in this process, showcasing the importance of understanding such reactions in practical applications.The mechanism of xanthation typically involves the nucleophilic attack of an alcohol on carbon disulfide, facilitated by a strong base. This results in the formation of a xanthate, which can then be further utilized in various chemical reactions. Understanding this mechanism is crucial for chemists who are looking to optimize reactions for better yields or to create new compounds with desirable properties.Moreover, xanthation has implications beyond just mineral processing. In synthetic organic chemistry, xanthates can serve as valuable building blocks for the creation of more complex molecules. For instance, they can be transformed into other functional groups through various chemical reactions, thus expanding the toolkit available to chemists. This versatility makes xanthation a topic of interest in both academic research and industrial applications.As the world continues to seek sustainable and efficient methods for chemical production, understanding processes like xanthation becomes increasingly important. Researchers are constantly exploring ways to improve these reactions, making them more environmentally friendly and cost-effective. This pursuit not only enhances our knowledge of chemical processes but also contributes to the development of greener technologies.In conclusion, xanthation is a fascinating chemical reaction that plays a significant role in organic chemistry and various industrial applications. Its ability to form xanthates has far-reaching implications in fields such as mineral processing and synthetic organic chemistry. As we continue to delve into the intricacies of chemical reactions, understanding processes like xanthation will undoubtedly pave the way for future innovations in chemistry and related fields. By appreciating the significance of xanthation, we can better understand the complexities of chemical synthesis and its impact on our daily lives.

在有机化学领域,研究各种反应和过程以理解不同化合物的转化是至关重要的。其中一个引人入胜的过程被称为xanthation。这个术语指的是一种特定的化学反应,在这种反应中,黄原酸酯从醇和二硫化碳在碱的存在下形成。xanthation的重要性不仅体现在其在合成黄原酸盐中的应用,还体现在其在有机合成和工业应用的更广泛背景中的作用。要理解xanthation,首先需要掌握黄原酸盐是什么。黄原酸盐是一类含有功能团-OC(S)S-的化学物质,通常用作各种化学品生产的中间体。它们在矿物加工的浮选过程中尤其著名,在该过程中,它们帮助将有价值的矿物与矿石分离。通过xanthation形成黄原酸盐是这个过程中的关键步骤,展示了理解这些反应在实际应用中的重要性。xanthation的机制通常涉及醇对二硫化碳的亲核攻击,这一过程由强碱促进。这导致黄原酸盐的形成,随后可以在各种化学反应中进一步利用。理解这一机制对那些希望优化反应以获得更好产量或创造具有理想特性的化合物的化学家至关重要。此外,xanthation不仅限于矿物加工。在合成有机化学中,黄原酸盐可以作为创建更复杂分子的宝贵构件。例如,它们可以通过各种化学反应转化为其他功能团,从而扩展化学家可用的工具包。这种多功能性使得xanthation成为学术研究和工业应用中备受关注的话题。随着世界继续寻求可持续和高效的化学生产方法,理解像xanthation这样的过程变得愈发重要。研究人员不断探索改善这些反应的方法,使其更加环保和经济高效。这一追求不仅增强了我们对化学过程的理解,也有助于绿色技术的发展。总之,xanthation是一个迷人的化学反应,在有机化学和各种工业应用中发挥着重要作用。它形成黄原酸盐的能力在矿物加工和合成有机化学等领域具有深远的影响。随着我们继续深入研究化学反应的复杂性,理解像xanthation这样的过程无疑将为化学及相关领域的未来创新铺平道路。通过欣赏xanthation的重要性,我们可以更好地理解化学合成的复杂性及其对我们日常生活的影响。