SZAP(SZ:000061) Xin Hua She·2026-01-06 07:29Core 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]