Core Viewpoint - The National Market Supervision Administration plans to approve and release a total of 226 national standard substances in the field of food and agricultural product safety by 2025, enhancing the precision of pesticide and veterinary drug residue testing and strengthening the safety defense of food and agricultural products [1] Group 1: Standard Substances - Standard substances are essential "scales" and "weights" for conducting chemical and biological testing activities, serving as a key element in national metrology capacity building [1] - The introduction of standard substances for pesticide residue testing, such as methanol solutions of acetamiprid and chlorpyrifos, will improve the comparability and reliability of pesticide residue testing results across different laboratories [1] - For herbicide residue testing, the use of acetone solutions of pendimethalin and trifloxysulfuron will enhance the precision of the residue testing process, providing strong support for quality control of food and agricultural products [1] Group 2: Veterinary Drug Residue Testing - The implementation of standard substances like methanol solutions of ofloxacin and acetonitrile solutions of malachite green will provide precise evidence for the detection of veterinary drug residues in livestock and aquatic products [1]

Core Viewpoint - The National Market Supervision Administration has approved the release of 226 national standards for food and agricultural product safety by 2025, enhancing the precision of pesticide and veterinary drug residue testing, thereby strengthening the safety of food and agricultural products [1] Group 1: National Standards and Testing Support - The approved standard substances are essential for conducting chemical and biological testing activities, serving as critical elements in national metrology capacity building [1] - The introduction of standard substances for pesticide residue testing, such as methanol solutions of acetamiprid and chlorpyrifos, will improve the comparability and reliability of test results across different laboratories [1] - For herbicide residue testing, the use of acetone solutions of paraquat and trifloxysulfuron will enhance the precision of the testing process, providing strong support for quality control of food and agricultural products [1] Group 2: Veterinary Drug Residue Testing - The implementation of standard substances like methanol solutions of ofloxacin and acetonitrile solutions of malachite green will provide accurate references for testing veterinary drug residues in livestock and aquatic products [1]

Core Viewpoint - The National Market Supervision Administration has approved a total of 226 national standards for food and agricultural product safety by 2025, enhancing the precision of pesticide and veterinary drug residue testing, thereby strengthening the safety measures for food and agricultural products [1] Group 1: Standards and Testing - The approved standard substances are essential for conducting chemical and biological testing, serving as critical elements in national metrology capacity building [1] - The introduction of standard substances for pesticide residue testing, such as methanol solutions of acetamiprid and chlorpyrifos, will improve the comparability and reliability of test results across different laboratories [1] - For herbicide residue testing, the use of acetone solutions of paraquat and trifloxysulfuron will enhance the precision of the testing process, providing strong support for quality control of food and agricultural products [1] Group 2: Veterinary Drug Residue Testing - The implementation of standard substances like methanol solutions of ofloxacin and acetonitrile solutions of malachite green will provide accurate bases for testing veterinary drug residues in livestock and aquatic products [1]

Core Insights - In the first half of this year, China approved the establishment of 524 national standard materials, representing a year-on-year increase of 78.8% [1] - The total number of approved national standard materials has reached 18,982, with the country maintaining a leading position in international measurement mutual recognition capabilities [1] Group 1: National Standard Materials Overview - National first-level standard materials accounted for 5.9% of the total, with 31 items approved, showing a year-on-year growth of 47.6% [1] - National second-level standard materials made up 94.1% of the total, with 493 items approved, reflecting a year-on-year increase of 81.3% [1] Group 2: Application Areas - In the environmental monitoring sector, 202 standard materials were approved, accounting for 38.6% of the total, with a year-on-year growth of 69.7% [2] - The manufacturing and petrochemical industries saw the approval of 150 standard materials, representing 28.6% of the total, with a significant year-on-year increase of 108.3% [2] - In the food and agricultural product safety testing sector, 134 standard materials were approved, making up 25.6% of the total, with a year-on-year growth of 78.6% [2] - The medical and health sector had 38 standard materials approved, accounting for 7.2% of the total, with a year-on-year increase of 40.7% [2] Group 3: Specific Developments - The newly approved EGFR gene mutation genomic DNA standard material is expected to enhance the quality of companion diagnostics for targeted therapy in non-small cell lung cancer, thereby improving treatment outcomes [1] - The newly established series of graphite physical property standard materials will provide precise and reliable testing benchmarks for lithium battery manufacturers, supporting raw material quality control and production process optimization [2]