CCTV News: According to the website of the State Administration for Market Regulation, the State Administration for Market Regulation recently released statistics saying that 372 national standard substances were approved for issuance in the first quarter, an increase of about 60% year-on-year, including 25 national first-level standard substances and 347 national second-level standard substances. The number of standard substances in the field of environmental monitoring is the largest, accounting for about 45%, the standard substances in the field of food safety account for about 25%, and the standard substances in the field of industrial production and medical and health account for about 15%.

Assist environmental monitoring and protect green waters and green mountains. Standard substances for carbon dioxide gas in nitrogen and standard substances for methane gas in the air can help monitor ambient air carbon, serve carbon peak and carbon neutrality, and help monitor air quality. Standard substances for soil effective composition analysis, soil pH, calcium carbonate and hexavalent chromium composition analysis standard substances, etc. help detect land pollutants and analyze soil organic composition content, providing scientific basis and effective support for soil pollution control and repair.

Aid food safety and protect the bottom line of the dining table. Standard substances for chlorpyrifossil solution and standard substances for purity of chlorpyrifossil purity, etc. ensure accurate and rapid detection of pesticide residues, and help quickly screen problematic agricultural products. Standard substances for purity of pig type I collagen, standard substances for aflatoxin M1 component analysis in milk, etc. are used to detect nutrients and harmful substances in meat and dairy products, and protect the "tip of tongue safety".

Assist industrial production and improve manufacturing level. The series of standard substances for spectral analysis of microalloy steel, standard substances for spectral analysis of alloy structural steel, etc. ensure that the performance of the steel is in compliance with the standards and fully assist the development of the steel industry. Diesel high-lubricity standard substances, propylene hydrogen gas standard substances, etc. help the petrochemical industry to produce and be used in product quality inspection and production condition monitoring, which helps optimize production processes, improve production efficiency, and ensure production safety.

Aid medical care and protect people's health. Human adenovirus type 5 genomic DNA standard substances, human adenovirus type 40 (ADV40) nucleic acid standard substances, etc. help genetic monitoring and early cancer screening. Frozen human serum is not combined with estriol standard substances, antithrombin activity detection standard substances, etc., and is used to calibrate medical equipment to ensure that clinical test results are accurate and efficient.