Zinc sulfate, as a common zinc supplement, is widely used in feed additives, chemical industry, fertilizer and other fields. Among them, zinc sulfate monohydrate and zinc sulfate heptahydrate are the two most common forms of zinc sulfate. They have significant differences in properties, uses, and application fields. This article will discuss in detail the characteristics of these two compounds and their applications in various fields.
Zinc sulfate monohydrate has a chemical formula of ZnSO₄·H₂O and appears as a white fluid powder. Its density is about 3.28g/cm³, it is easily soluble in water, slightly soluble in alcohol, and easily deliquescent in the air, but insoluble in acetone. Zinc sulfate monohydrate has a relatively high zinc content, usually between 33% and 35%, making it an efficient zinc source. In the field of feed additives, zinc sulfate monohydrate can effectively increase the zinc content in animals and promote their growth, development and reproductive performance. At the same time, in the fields of chemical industry and fertilizer, zinc sulfate monohydrate also plays an important role. It can be used as a raw material to produce other zinc compounds, and can also be used as a fertilizer to provide zinc elements needed by plants. Zinc sulfate heptahydrate, also known as alum and zinc alum, has a chemical formula of ZnSO₄·7H₂O. It is a colorless orthorhombic prismatic crystal in the form of white crystalline powder.
The density of zinc sulfate heptahydrate is about 1.97g/cm³, and the melting point is 100℃. It is easily soluble in water and slightly soluble in ethanol, but easily weathered in dry air. Compared with zinc sulfate monohydrate, zinc sulfate heptahydrate has a lower zinc content, generally between 21% and 22.5%. Despite this, zinc sulfate heptahydrate is still widely used in various fields. For example, in the pharmaceutical field, zinc sulfate heptahydrate can be used as a mordant, wood preservative and bleaching agent in the paper industry; in the fields of electroplating and pesticides, zinc sulfate heptahydrate also plays an important role; in addition, it can also be used to produce zinc Salts and other zinc compounds.
From the perspective of application fields, zinc sulfate monohydrate and zinc sulfate heptahydrate overlap in certain fields, but their respective advantages make their applications in different fields focused. For example, in the field of feed additives, zinc sulfate monohydrate is more popular due to its higher zinc content; while in some specific chemical and fertilizer fields, the water solubility advantage of zinc sulfate heptahydrate may make it a more suitable choice. .
Post time: Nov-04-2024
