1. Pharmaceutical Industry

• Quality Control : Analytical chemistry products are used to detect the composition, purity, and impurity content of pharmaceuticals. For example, high - performance liquid chromatography (HPLC) and mass spectrometry (MS) are widely used for quality control in drug development and manufacturing processes.
• Drug Development : In the development of new drugs, analytical chemistry products are used to identify the structure and properties of compounds and optimize synthetic processes.
• Pharmacokinetics Research : By analyzing drugs and their metabolites in human body fluids, the efficacy and safety of drugs can be assessed.

2. Food Industry

• Quality Testing : Analytical chemistry products are used to detect nutrients, additives, and contaminants in food. For example, detecting heavy metals, pesticide residues, and microbial content in food.
• Component Analysis : Analyzing the components of food to ensure they meet the claims on the label and regulatory requirements.
• Food Safety : Monitoring the hygiene of food production processes to prevent food contamination.

3. Environmental Field

• Pollutant Monitoring : Analytical chemistry products are used to detect pollutants in air, water, and soil, such as heavy metals, organic compounds, and greenhouse gases.
• Environmental Quality Assessment : By analyzing the chemical components in environmental samples, the quality of the environment can be assessed and corresponding protection measures can be formulated.
• Pollution Incident Investigation : In environmental pollution incidents, analytical chemistry products are used to determine the source and impact of pollutants.

4. Industrial Production

• Raw Material Inspection : Analyzing the composition and quality of raw materials to ensure they meet production requirements.
• Process Monitoring : Real - time monitoring of chemical reactions and product quality in the production process, and timely adjustment of process parameters.
• Product Quality Control : Conducting rigorous chemical analysis of the final product to ensure it meets the standards.

5. Clinical and Biological Research

• Clinical Diagnosis : Analyzing the chemical components in human body fluids (such as blood and urine) to assist in disease diagnosis.
• Bioanalysis : Studying the chemical processes and metabolites in living organisms to provide data support for medical research.

6. Agricultural Field

• Soil Analysis : Detecting nutrients, pH, and contaminants in soil to provide scientific basis for agricultural production.
• Pesticide and Fertilizer Testing : Analyzing the composition and content of pesticides and fertilizers to ensure their quality and safety.

7. Forensic Science and Criminal Investigation

• Toxin Detection : Analytical chemistry products are used to detect toxins in human tissues and body fluids to provide evidence for case investigation.
• Trace Evidence Analysis : By analyzing chemical substances left at the scene, clues related to the case can be identified.

8. Other Fields

• Material Science : Analyzing the composition and structure of new materials to provide basis for optimizing material properties.
• Cultural Heritage Conservation : Identifying the age and composition of cultural relics to provide scientific support for cultural heritage protection.
• Sports Field : Detecting the use of performance - enhancing drugs by athletes to maintain the fairness of sports competitions.