[China Instrument Network Instrument R&D] On December 22nd, at the national secondary standard material review meeting organized by the National Standard Material Management Committee, the nitrogen propene nitrogen developed by the Shandong Institute of Metrology (hereinafter referred to as “Shandong Province Metrology Institute”) was developed. Three kinds of gas reference materials such as nitrile and copper, lead, cadmium, and manganese single element solution standard materials passed the expert review.


At the review meeting, the experts listened to the report made by Shandong Province Metrology Institute's research personnel. The experts in charge of the examination gave full affirmation to the standard substance research and development work of the Shandong Institute of Metrology, and believed that the standard substance development of the Metrology Institute of Shandong Province had clear thinking, meticulous work, and sufficient data. Reliable, the final expert group unanimously decided to pass.

The seven standard substances reviewed in this report are based on high-purity substances and formulated on the basis of the value of high-purity substances. The success of this development is not only an increase in the number of standard substances in the Metrology Institute of Shandong Province, but also a The overflight of quality indicates that the research level of the standard substance in the Metrology Institute of Shandong province ranks among the forefront of provincial institutes nationwide. In the new year, Shandong Institute of Metrology will, on the basis of the previous results, challenge the higher-level and higher-level standard materials, and contribute to the improvement of the traceability system of Shandong Province.

(Original title: The seven national secondary standard materials such as acrylonitrile in nitrogen developed by our institute passed the expert review)

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