Standard Substrates
The reference substance refers to the specific substance used for the physical and chemical determination of biological products, which is prepared by the production unit in the same way as the production process of the product. Like the standard sample, the reference sample can be said to be an integral part of the national drug standard. In the national drug standards, the reference substance is the operation of reference materials that can be used for inspection, identification, content determination, impurity and related substances inspection, which is the most basic role of the reference substance. The control sample can be used to check the quality of drugs. It is a special measuring tool and plays a vital role in the research of various drugs. The reference substance is also an important benchmark for the measurement of drug quality, as well as a material standard for testing and calibrating instruments and methods. In the inspection of drugs, the control sample is also an indispensable tool to compare the quality of drugs and effectively control the quality of drugs.