Successful development of melamine chemical rapid detection method

The melamine chemical quick test method was successfully developed. Melamine is generally prohibited from being added to food and agricultural products. The human body, especially infants and children, will cause serious harm after ingesting a certain amount of melamine. Because the detection of melamine mainly uses instrumental analysis methods, and the equipment used is expensive, the operating cost is high, the sample pretreatment is complicated, and the test time is long, and it is difficult to popularize. Therefore, the establishment of a rapid chemical detection method to detect low-concentration melamine in common food and agricultural products has great social significance and broad application prospects. Gansu Provincial Department of Science and Technology organized scientific research forces to study the detection method of melamine, and successfully developed a rapid chemical detection method for melamine in liquid milk and developed a detection kit. In order to further improve the rapid detection method of melamine in milk products, eggs and feed, industrialize and promote the application of the detection kit, organized and implemented the provincial science and technology major special project "quick detection method of melamine in milk products, eggs and feed "R & D and industrialization", undertaken by Lanzhou University and other units, has recently passed the achievement appraisal. The results of the research established and improved the rapid detection of melamine in dairy products, eggs and feed by chemical testing methods, filling the technical gap of rapid detection of melamine by chemical methods, has established Gansu Province local standards, and achieved innovative Technological Achievements. This method screens for specific precipitants that can coordinate with melamine. By observing the turbidity of the solution, it is used as a basis for testing melamine, and two types of adsorbents with good performance are applied to melamine solutions containing different concentrations. Then treated with different desorbents, the melamine in the eluent was determined by instrument analysis, the adsorbent and desorbent with the best comprehensive performance were screened, and the single-factor and orthogonal tests were used to screen out the milk. Method for the detection of melamine in products, eggs and feed. This method has been tested and verified by many national statutory quality inspection agencies. The results are stable, with high sensitivity, low testing cost, and easy operation. The results detected by this method comply with national testing standards and can be used for dairy products, poultry eggs, and feed. Provide technical support for the safe and rapid detection of medium melamine.

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