干燥剂和偏差之间的差异

Thekey differencebetween desiccant and deliquescent is thatthe term desiccant describes substances that are吸湿性, but the term deliquescent refers to the ability to absorb moisture and become liquid.

The term desiccant refers to a particular substance that can be used to remove moisture from a particular environment. It is used as a noun to name a compound. The term deliquescent describes a property of a particular substance, and it is used as an adjective to describe a substance.

内容

1.Overview and Key Difference
2.What is Desiccant
3.什么是偏差
4.并排比较 - 干燥剂与表格形式的偏差
5.概括

What is Desiccant?

A desiccant is a substance that can absorb water vapour from the external environment. And, this term is used to refer to “hygroscopic substances’. Hygroscopic substances are solids that can absorb or adsorb water from its surroundings. When water vapour is absorbed by hygroscopic substances, the water molecules are taken into the spaces of the crystal structure. It causes the volume of the substance to increase. Hygroscopy can result in changes in the physical properties of the hygroscopic substances; such properties include colour, boiling point,viscosity, etc.

Most examples of hygroscopic substances includesalts. Some examples are Zinc chloride (ZnCl₂), sodium chloride (NaCl) and sodium hydroxide (NaOH). There are also some other common substances we know as hygroscopic. These compounds include honey, silica gel, germinating seeds, etc.

什么是偏差?

The term deliquescent refers to the ability of a substance to absorb moisture from the environment and dissolve itself. Therefore, deliquescent substances are solid matter that can get dissolved by absorbing water vapour. The resulting solution is an aqueous solution. And, this process is known as deliquescence. These deliquescent substances have a high affinity for water.

The atmosphere has 0-4% of water vapour, depending on the location and time of the day. Since there are many other gases and vapours in the atmosphere, water vapour has apartial pressure. Deliquescence happens when the vapour pressure of the solution that is going to form is less than the partial pressure of water vapour in the air.

潮湿的环境高度浓缩水蒸气。因此，当将大量的水蒸气放置在潮湿的环境中时，可以通过吸收大量的水蒸气来轻松地进行跨跨溶液。

最常见的二线物质实例包括一些盐。例如，氢氧化钠，氢氧化钾，氯化铵，硝酸钠，氯化钙等。这些物质可用作干燥剂。当必须去除容器内的水蒸气以停止特定的化学反应时，可以将这些物质保存在容器内。然后，偏转物质将吸收大量的水，并防止水蒸气的干扰。

What is the Difference Between Desiccant and Deliquescent?

A desiccant is a noun used to name a compound. The term deliquescent is an adjective we can use to describe a compound. The key difference between desiccant and deliquescent is that the term desiccant describes the substances that are hygroscopic, but the term deliquescent refers to the ability to absorb moisture and become liquid.

Below infographic tabulates the differences between desiccant and deliquescent.

摘要 - 干燥剂与二线

A desiccant is a noun used to name a compound. The term deliquescent is an adjective that we can use to describe a compound. The key difference between desiccant and deliquescent is that the term desiccant describes the substances that are hygroscopic, whereas the term deliquescent refers to the ability to absorb moisture and become liquid.

Reference:

1. Helmenstine，Anne Marie。“化学中的干燥剂定义。”Thinkco，2020年2月11日，Available here.
2. Helmenstine, Anne Marie. “Deliquescence Definition.” ThoughtCo, Feb. 11, 2020,Available here.

Image Courtesy:

1. “Zinc chloride” By User:Walkerma – Own work, Public Domain) viaCommons Wikimedia
2.假定的“氯化钙CACL2” - 没有提供机器可读的来源。假定自己的工作（基于版权索赔）(CC BY-SA 3.0)viaCommons Wikimedia