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[Chemical Knowledge]：The difference between analytical reagents and chemical reagents

Read： 537 Time：17months ago Source：Transform the World with Simplicity

In chemical experiments, both analytical reagents and chemical reagents play a very important role, but there are obvious differences between them. Analytical reagents are mainly used to analyze and detect chemical substances to determine their composition and properties. Chemical reagents are used to carry out chemical reactions or synthesize new substances. It can be said that analytical reagents focus more on analysis and detection, while chemical reagents focus more on reaction and synthesis.

From the point of view of use, analytical reagents are mainly used to analyze samples in the laboratory to determine the chemical composition and properties. For example, common PH reagents, iron ammonium root reagents, etc., are used to detect the pH of the sample or the presence of various ions. Chemical reagents are widely used in chemical synthesis, quantitative analysis and regular laboratory operations. For example, common chemical reagents such as sulfuric acid and hydrochloric acid are used for chemical reactions or synthesis of new substances.

From the perspective of chemical composition, analytical reagents are usually high purity substances, because various chemical components need to be accurately measured and analyzed in analytical experiments. The chemical reagent may contain a variety of chemical components, and the purity is not necessarily very high, as long as it can meet the needs of chemical reactions or synthesis of new substances.

In addition, there are differences in preservation and use. Because analytical reagents require high purity and accuracy in analytical experiments, special attention should be paid to avoid contamination by impurities during storage and use. They usually need to be stored in a sealed container and avoid being affected by light and air. The chemical reagents in the preservation and use of relatively loose, generally only need to avoid moisture and acid-base corrosion can be.

To sum up, there are obvious differences between analytical reagents and chemical reagents in terms of use, chemical composition, preservation and use. The correct use and distinction between the two is very important for the accuracy and safety of chemical experiments. It is hoped that through the introduction of this paper, we can more clearly understand the differences between them and effectively apply them to chemical experiments.

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