How to determine the expiration date of chemical reagents?
The expiry date of reagents is an important factor affecting the accuracy of experimental results. In actual use, people are always accustomed to using the production date to judge the effectiveness of chemical reagents. In fact, this is wrong.
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2024/01/30
Analysis of high-purity reagents and classification of high-purity reagents
A reagent with a purity far higher than that of premium grade is called a high-purity reagent. It is developed on the basis of universal reagents and is a pure reagent produced by special methods for specialized purposes. High purity reagents control the impurity content, while reference reagents control the main content. Reference reagents can be prepared using standard solutions, but high-purity reagents cannot be used for the preparation of standard solutions (except for elemental oxides).
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2024/01/30
Comprehensive understanding of chemical reagents from multiple perspectives
According to experts in the chemical industry of chemical reagent companies, chemical reagents are relative standard substances for conducting chemical research and component analysis, and are an important condition for technological progress. They are mainly suitable for the synthesis, separation, qualitative and quantitative analysis of substances. In other words, they are the eyes of chemical reagent workers. In the daily work of factories, schools, hospitals, and research institutes, chemical reagents are indispensable.
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2024/01/30
Classification of sodium carbonate (soda ash)
Soda ash is mainly divided into light soda ash (referred to as light soda ash) and heavy soda ash (referred to as heavy soda ash) according to different densities.
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2024/01/30
Application scope of industrial salt
Industrial salt is an important chemical raw material used in various industrial manufacturing and production processes. Its functions and uses include cleaning, softening water, flux, emulsifier, refrigerant, seasoning agent, preservative, antioxidant, sewage treatment agent, etc.
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2024/01/30
Different water quality sodium hypochlorite ratios
Disinfection and sterilization of tap water - generally 1-3 mg/l of medication is added.
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2024/01/30
What is the difference between chemical reagents and fine chemicals?
Chemical reagents belong to the scope of fine chemicals (refined drugs). Fine chemicals refer to chemical products with high processing accuracy, high production technology required, high purity, and small production batches, such as reagents, pharmaceuticals, fragrances, synthetic dyes, etc. But this statement is relatively vague. With the development of fine chemicals, people need more specific and clear definitions.
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2022/01/10
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