去年我国环境监测领域标准物质批准发布数量最多，共计406项

Core Insights - The National Market Regulation Administration reported that 1,139 new national standard substances will be established in China by 2025, representing a year-on-year increase of 61.8% [1] Group 1: Standard Substance Development - A total of 19,441 national standard substances have been established in China to support high-quality economic and social development [2] - The medical and health sector will see a significant increase in standard substances, with a projected growth of 231.9% by 2025, addressing key issues in virus detection and enhancing early monitoring capabilities [2] - The environmental monitoring sector has the highest number of approved standard substances, totaling 406, which accounts for 35.6% of the total, providing technical support for environmental quality assessments [2] Group 2: Food Safety Standards - The food safety sector will have the largest number of approved national first-level standard substances, with 37 items, making up 55.2% of the total for 2025, aiding in microbial contamination detection and pesticide residue analysis [3] Group 3: Production Units and Growth - Research institutions will contribute 330 new national standard substances, representing 29.0% of the total, with a year-on-year growth of 57.9%, while enterprises will account for 809 new substances, or 71.0%, with a growth of 63.4% [3] - National first-level standard substances will comprise 67 items, accounting for 5.9% of the total, with a year-on-year increase of 21.8%, while national second-level substances will total 1,072 items, making up 94.1% with a growth of 65.2% [4] Group 4: Focus Areas for Development - Research institutions are focusing on cutting-edge technology and product innovation, with 66 new national first-level standard substances, which is 98.5% of the total for the year [5] - Enterprises are concentrating on market demands, producing 808 new national second-level standard substances, which is 75.4% of the total, ensuring precise measurement support across various industries [5]