1到5月我国新批准发布468项国家标准物质 同比增长65.9%

Core Insights - The article highlights a significant increase in the approval of national standard substances in China, with 468 new approvals from January to May this year, representing a year-on-year growth of 65.9% [1] - As of now, the total number of approved national standard substances has reached 18,926, positioning China's international metrology recognition capabilities among the top tier globally [1] Industry Summary - The approval of national standard substances is crucial for conducting chemical and biological testing activities, serving as essential "scales" and "weights" [1] - The growth in the number of approved substances indicates a strengthening of national metrology capabilities, which is a key element in the development of measurement standards [1]