The purpose of sample pretreatment system

Sample preparation systems are used to prepare samples for substance analysis and measurement. Its uses include:
1. Sample preparation: to separate the sample from the original sample and make it suitable for a specific analysis method. For example, a water sample is filtered or the solutes are extracted for analysis.
2. Sample pretreatment: Convert samples into a more analyzable form through chemical reactions or physical treatments. For example, derivatization reactions are used in gas chromatography to generate compounds that are more stable and easier to analyze.
3. Sample cleaning: remove impurities or contaminants from the sample to ensure accurate analysis results. For example, techniques such as extraction and washing are used to remove organic contaminants from samples.
4. Sample concentration: Concentrate the sample to increase analysis sensitivity and reduce analysis time. For example, extraction or concentration techniques are used to concentrate low-concentration solutions to detectable levels.
5. Standard preparation: Standard solutions are prepared by mixing pure substances for comparison and calibration of analytical results. For example, a standard solution is prepared by mixing the concentration and volume of a specific solution.
In short, sample preparation systems play a very important role in analytical chemistry, making samples more precise and improving the accuracy and repeatability of analysis.