导读： 1—6月，我国新批准建立国家标准物质524项，同比增长78.8%，涉及研制单位51家。截至目前，市场监管总局累计批准建立国家标准物质18982项，标 准物质国际计量互认能力稳居国际第一梯队。 特别提示 微信机制调整，点击顶部"仪器信息网" → 右上方"…" → 设为 ★ 星标，否则很可能无法看到我们的推送。 从研制单位类型看， 企业申报标准物质379项，占比72.3%，同比增长86.7%；科研事业单位申报145项，占比27.7%，同比增长61.1%。 企业和科研事业单位新建标准物质总数均有大幅度增长，标准物质研制单位以企业为主，标准物质行业经济活力回暖加速。 从地域分布看， 华北地区新建标准物质234项，占比44.7%;华东地区新建标准物质124项，占比23.7%；东北地区新建标准物质62项，占比 11.8%;西北地区新建标准物质48项，占比9.2%；华南地区新建标准物质32项，占比6.1%;西南地区新建标准物质24项，占比4.5%；华中 地区未新建标准物质。华北地区新建标准物质数量最多，西南地区新建标准物质增速较低。 标准物质是开展化学、生物等检测活动必不可少的"标尺"和"砝码"。截至目前，市场监管 ...

Core Insights - In the first half of this year, China approved 524 new national standard substances, marking a significant year-on-year increase of 78.8% [1] - The increase in approved standard substances indicates a recovery in industry vitality, with enterprises leading the submissions [1] Summary by Category Approval Statistics - A total of 524 national standard substances were approved, with 31 classified as national first-level standards (5.9% of total) and 493 as national second-level standards (94.1% of total) [1] - The first-level standards saw a year-on-year increase of 47.6%, while the second-level standards increased by 81.3% [1] Application Fields - Environmental monitoring received the highest number of approvals with 202 items (38.6% of total), reflecting a year-on-year increase of 69.7% [1] - The manufacturing and petrochemical industries accounted for 150 items (28.6% of total), with a substantial increase of 108.3% [1] - Food and agricultural product safety testing had 134 items (25.6% of total), increasing by 78.6% [1] - The medical and health sector received 38 items (7.2% of total), with a growth of 40.7% [1] Submissions by Type - Enterprises submitted 379 items (72.3% of total), showing an increase of 86.7% year-on-year [1] - Research institutions submitted 145 items (27.7% of total), with a year-on-year increase of 61.1% [1] Regional Distribution - The North China region led with 234 items (44.7% of total), followed by East China with 124 items (23.7%) [1] - Northeast China approved 62 items (11.8%), Northwest China 48 items (9.2%), South China 32 items (6.1%), Southwest China 24 items (4.5%), and Central China had no new approvals [1] - The North China region had the highest number of approvals, while the Southwest region showed the lowest growth rate [1] Future Directions - The State Administration for Market Regulation plans to enhance the supply of standard substances, focusing on emerging fields and promoting innovation in measurement technology within the manufacturing sector [1]