Weiyel Reference Materials
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May 20, 2022 is the 23rd "World Metrology Day". The International Bureau of Weights and Measures (BIPM) and the International Organization for Legal Metrology (OIML) released the 2022 World Metrology Day theme "Metrology in the Digital Era". People recognize the changing trends that digital technology has on today's society. In order to cooperate with the "World Metrology Day" activities, the State Administration for Market Regulation officially designated the Chinese theme of the "World Metrology Day" as "Measuring in the Digital Age".
In real life, measurement is closely related to the life of each of us. The measurement of whether certain levels in drinking water, food and air exceed the standard is inseparable from measurement.
In recent years, with the rapid development of modern testing technology and measuring instrument industry, various measuring instruments and testing methods have been widely used. Among them, food safety and environment-related testing related to people's health has attracted much attention, which requires the use of "chemical weights" - standard materials.

Weiye, there is a team who are conducting research on standard substances and guarding our health.
Weiye has been committed to the exploration and research of reference materials. At present, 28 kinds of national primary reference materials have been approved, 600+ national secondary reference materials, and 8,000 + independent R&D reference materials. It covers reference materials for calibration and chemical instruments, reference materials in environmental monitoring, reference materials in the field of food safety, etc., filling the blank of reference materials in relevant domestic fields. Widely used in daily verification and calibration, enterprise instrument value traceability, testing methods and personnel competence verification.
For the mission, come for the good. To improve the quality of the metering supply system as the main direction of attack, to provide metering support for the people's better life, the mission and purpose of Weiye, and the majority of healthy people are the direct beneficiaries of metering services.
The difference in rate theoretical equations between gas chromatography and liquid chromatography is mainly due to the difference in the properties of gas and liquid.
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