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Cat. No. Size / Unit Price Qty
CS-W001157 4
Total: USD 88.00

Analytical Science

Analytical chemistry is the science that studies the composition, structure, properties, content and distribution of substances. It not only focuses on the qualitative (what is the substance) and quantitative (how much of the substance is there) chemical composition, but also includes the use of various analytical techniques and methods to Analyze and measure samples. Analytical chemistry is an important branch of chemistry and is widely used in many fields such as environmental monitoring, food safety, medical diagnosis, drug development, and materials science.

Drug Impurity Reference Substance

Drug impurities: refers to trace substances in drugs that have no therapeutic effect or affect the stability and efficacy of drugs, or are even harmful to human health. Substances that have toxic side effects on human health; substances that have no toxic side effects themselves, but affect the stability and efficacy of drugs; substances that have no toxic side effects themselves, and do not affect the stability and efficacy of drugs, but affect the scientific management of drugs. Drug impurities are degradation products of drug ingredients, reaction by-products, solvent residues or other substances that may affect the quality of drugs. Drug impurity reference substances are special measuring tools used for drug quality control, mainly used to check the content and type of impurities in drugs. It is an important part of drug quality standards. By comparing with the drug to be tested, the type and content of impurities in the drug can be determined, thereby ensuring the purity and stability of the drug.

Ion Pair Chromatography Reagents

When using liquid chromatography to analyze the sample with relatively strong ionization ability, it combines with the ions on the analyte to form a molecule with retention on the column.

Indicator

An analytical reagent that shows the end point in volumetric analysis. Under certain medium conditions, its color can change, it can produce turbidity or precipitation, and there is fluorescence phenomenon.

Solvent for NMR

It is widely used in nuclear magnetic resonance spectroscopy (NMR) detection to avoid the interference of hydrogen atoms in common solvents.

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