市场监管总局第一季度批准发布372项国家标准物质 涉环境、食品等领域

Core Insights - The State Administration for Market Regulation recently reported that 372 national standard substances were approved and released in the first quarter, representing a year-on-year increase of approximately 60% [1] Summary by Category National Standard Substances - Among the approved substances, 25 are classified as national first-level standard substances, while 347 are second-level standard substances [1] Distribution by Field - The environmental monitoring sector accounted for the largest share of standard substances, approximately 45% of the total [1] - The food safety sector represented about 25% of the approved standard substances [1] - Both the industrial production and healthcare sectors each contributed approximately 15% to the total number of standard substances [1]