High performance liquid chromatography (HPLC) is one of the most widely used analytical methods in addition to gas chromatography. It has the advantages of high separation efficiency, fast analysis speed, high detection sensitivity and wide application range. It is especially suitable for high boiling point and macromolecules. Separation and analysis of compounds with poor polarity and poor thermal stability has become one of the important means of modern analytical techniques. Currently in the chemical, chemical, pharmaceutical, biochemical, environmental, agricultural and other scientific fields have been widely used.
Based on the latest technology, Shandong Luchuang has launched a LC-3000 series high performance liquid chromatography system with completely independent intellectual property rights. It meets various regulations and standards, and also has high throughput, high sensitivity, high selectivity, etc. Features. Applications range from conventional HPLC systems to small particle size columns for fast separations up to 9000 PSI. The UV-Vis detector with 100Hz sampling frequency uses the latest patented optical system, so it has extremely low noise and absorbance up to 2.5AU. To meet the diverse needs of customers, the LC-3000 system also includes a variety of optional module configurations for different users, allowing you to choose. Professional and thoughtful installation and after-sales maintenance system makes it easy to use.
The high performance liquid chromatography analysis expert system is a computer program system with a large number of liquid chromatograph expertise analysis methods combined with expert practical experience. It is a system that combines the research methods of artificial intelligence with the mathematical algorithms in chemometrics. Expert system design usually includes five parts: spectrum library, knowledge base, inference engine, man-machine dialogue interface and database.
When users use expert systems to solve practical problems in complex sample analysis, they usually follow the following five steps:
(1) Sample sample separation mode First select the column system and mobile phase system for separation;
(2) The pretreatment method of the sample sample and the selection of the detector;
(3) Optimization of separation conditions of high performance liquid chromatography;
(4) Quantitative and qualitative analysis of online high performance liquid chromatography peaks;
(5) Self-diagnosis during the operation of liquid chromatograph and high performance liquid chromatography expert system.
It can be seen that the degree of artificial intelligence of the database, spectrum library, information storage capacity and reasoning mechanism in the liquid chromatograph analysis expert system directly determines the quality of the work of the high performance liquid chromatography expert system, and makes various analysis systems Convenience is more practical.
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