A standard product, that is, a standard item, is used as a measurement standard for medicines, and it is the standard content in content determination. Biological standard substance refers to a biological standard or biological reference substance used for the determination of the titer, activity or content of biological products or for the identification and inspection of their characteristics.
The reference substance refers to the standard substance used for identification, inspection, content determination, and calibration of the performance of the verification instrument.
The reference substance and the standard substance refer to the standard substance used for identification, inspection, content determination, impurity and related substance inspection in the national drug standard. It is an integral part of the national drug standard. The national drug standard substance is the material basis of the national drug standard. It is a special special measuring tool used to check the quality of drugs; it is a benchmark for measuring the quality of drugs; and it is also a substance standard used as a calibration test instrument and method. In drug testing, it is a comparison to determine the authenticity of the drug and an indispensable tool for controlling the quality of the drug.
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