21

2022-07

The significance of impurity inspection

The quality of medicines is generally controlled through the observation of the physical properties of the medicines, the determination of physical constants, the inspection of impurities and their limits, and the determination of their content. The impurity of a drug is a substance in a drug that h [More >]

22

2022-06

The difference between the standard and the reference

Reference substance: a reference substance used for identification, inspection, content determination and calibration of instrument performance; reference substance is reviewed and approved by the national drug control agency, and its standard should not be lower than the quality standard of the pro [More >]

26

2022-05

What is the standard product?

Standard products, that is, standard products, are used as the measurement standards of the Chinese Medicine Standard Reference Data Research Center; for drugs, they are the standard content in content determination. Standards include stoichiometric, metallurgical and pharmaceutical standards.The re [More >]

27

2022-04

Sources of standards and problems in their use

At present, my country's Institute of Pharmaceutical and Biological Products has provided 2930 kinds of national standard products, including 650 kinds of traditional Chinese medicine chemical reference substances and 730 kinds of reference substances.StandardRegarding the handling of standard p [More >]