dithionite

简明释义

英[daɪˈθaɪəˌnaɪt]美[daɪˈθaɪənaɪt]

n. 连二亚硫酸盐

英英释义

单词用法

同义词

反义词

例句

1.The results showed, in the presence of sodium hydroxide, 4-aminoazobenzene could react with fresh sodium dithionite solution, and broke the carbon - carbon double bond of 4-aminoazobenzene.

实验表明，在样品中加入氢氧化钠，样品中的4-氨基偶氮苯和新鲜配制的连二亚硫酸钠发生反应，使4 -氨基偶氮苯的碳碳双键断裂。

2.The order of the anaerobic decomposition of the sodium dithionite in the alkaline solution is 1.5 order.

在碱性溶液中，连二亚硫酸钠的分解反应级数为1.5级。

3.The water - soluble Monascus yellow pigment was prepared from the Monascus red pigment and sodium dithionite in base solution.

红曲红色素与连二亚硫酸钠在碱性溶液中反应，制得水溶性红色素。

4.The anaerobic decomposition rate of the sodium dithionite in alkaline aqueous solution is reported here.

本文研究了连二亚硫酸钠在碱性溶液中绝氧条件下的分解率。

5.The results showed, in the presence of sodium hydroxide, 4-aminoazobenzene could react with fresh sodium dithionite solution, and broke the carbon - carbon double bond of 4-aminoazobenzene.

实验表明，在样品中加入氢氧化钠，样品中的4-氨基偶氮苯和新鲜配制的连二亚硫酸钠发生反应，使4 -氨基偶氮苯的碳碳双键断裂。

6.The results showed that sodium dithionite was effective in bleaching this kind of pulp and 7 points of ISO brightness gain were achieved under the optimum conditions.

结果表明，在经优化的实验条件下，保险粉漂白该浆种效果良好，可提高白度7%以上。

7.When sodium dithionite is used, the effect is excellent.

用连二亚硫酸钠处理，效果显著。

8.The synthesis of certain organic compounds requires dithionite as a reducing agent.

某些有机化合物的合成需要将二硫亚硫酸盐作为还原剂。

9.The reaction involving dithionite produced a significant amount of hydrogen gas.

涉及二硫亚硫酸盐的反应产生了大量氢气。

10.Researchers found that dithionite could effectively remove heavy metals from wastewater.

研究人员发现二硫亚硫酸盐能够有效去除废水中的重金属。

11.The chemist used dithionite to reduce metal ions in the solution.

化学家使用二硫亚硫酸盐来还原溶液中的金属离子。

12.In the laboratory, dithionite is often employed for its excellent reducing properties.

在实验室中，二硫亚硫酸盐常因其优良的还原特性而被使用。

作文

In the field of chemistry, various compounds play crucial roles in numerous reactions and processes. One such compound is dithionite, which is recognized for its powerful reducing properties. Dithionite refers to a chemical compound that contains the anion S2O4^2−, often encountered in the form of sodium dithionite (Na2S2O4). This compound is widely used in various applications, particularly in the textile and dye industries, where it serves as a reducing agent. The ability of dithionite to donate electrons makes it invaluable in processes that require the reduction of other substances. For instance, it is often utilized to reduce indigo dyes to their soluble forms, allowing them to be applied to fabrics more easily.The significance of dithionite extends beyond just its industrial applications. In analytical chemistry, it is employed in the determination of metal ions and other compounds. The reducing nature of dithionite allows it to convert certain metal ions into lower oxidation states, facilitating their detection and quantification. This property is particularly useful when analyzing samples that contain multiple metal species, as it can help isolate specific ions for further study.Moreover, dithionite also plays a role in environmental chemistry. It has been studied for its potential in reducing metal oxides in contaminated soils and sediments. By using dithionite, researchers aim to remediate areas polluted with heavy metals, transforming them into less toxic forms. This application highlights the importance of dithionite not only in industrial settings but also in addressing environmental challenges.However, working with dithionite requires caution due to its reactive nature. It can release sulfur dioxide gas upon decomposition, which poses health risks if inhaled. Therefore, it is essential to handle this compound in well-ventilated areas and to use appropriate personal protective equipment. Understanding the properties and safe handling procedures of dithionite is crucial for anyone involved in chemistry, whether in research, industry, or education.In conclusion, dithionite is a versatile compound with significant implications in various fields, including textiles, analytical chemistry, and environmental science. Its reducing capabilities make it an essential tool for many chemical processes. As we continue to explore the applications and effects of dithionite, it is evident that this compound will remain a subject of interest in the scientific community. By understanding its properties and uses, we can better appreciate the role of dithionite in both industrial and environmental contexts.

在化学领域，各种化合物在许多反应和过程中发挥着至关重要的作用。其中一种化合物是dithionite，它因其强大的还原特性而受到认可。Dithionite指的是一种含有阴离子S2O4^2−的化学化合物，通常以亚硫酸钠（Na2S2O4）的形式出现。该化合物在纺织和染料工业中被广泛应用，作为还原剂。Dithionite捐赠电子的能力使其在需要还原其他物质的过程中不可或缺。例如，它常用于将靛蓝染料还原为可溶性形式，使其更容易应用于织物。Dithionite的重要性不仅限于其工业应用。在分析化学中，它被用于金属离子和其他化合物的测定。Dithionite的还原性质使其能够将某些金属离子转化为较低的氧化态，从而促进它们的检测和定量。这一特性在分析含有多种金属物种的样品时尤为有用，因为它可以帮助分离特定离子以进行进一步研究。此外，dithionite在环境化学中也发挥着作用。它已被研究用于减少受污染土壤和沉积物中的金属氧化物。通过使用dithionite，研究人员旨在修复受重金属污染的区域，将其转化为毒性较低的形式。这一应用突显了dithionite在工业环境中的重要性，以及在应对环境挑战中的作用。然而，使用dithionite时需要谨慎，因为它具有反应性。分解时可能释放二氧化硫气体，吸入后会对健康造成风险。因此，必须在通风良好的地方处理该化合物，并使用适当的个人防护装备。了解dithionite的特性和安全处理程序对于任何参与化学研究、工业或教育的人来说都是至关重要的。总之，dithionite是一种多功能化合物，在纺织、分析化学和环境科学等多个领域具有重要意义。其还原能力使其成为许多化学过程中的重要工具。随着我们继续探索dithionite的应用和影响，显然该化合物将在科学界保持关注。通过理解其特性和用途，我们可以更好地欣赏dithionite在工业和环境背景下的作用。