The central air conditioner in the clean workshop of the pharmaceutical factory undertakes the work of gas exchange. With the help of the internal circulation filter system of the air conditioner, the dust in the air can be effectively filtered. At the same time, the indoor humidity and temperature can be adjusted, and the exhaust […]

Part 1 Definition And Source Of Impurities   Impurities can be defined as mixtures of target components with extraneous or inherently inferior substances. It is often the final manufacturing process that has a major impact on the cost of the API. Yield, physical properties, and chemical purity are key considerations in API production, preparation formulation,

The freeze-dried products of biological products need to have a certain physical form; uniform color, qualified residual moisture content, good solubility, high survival rate or potency, and long storage period. Therefore, it is not only necessary to control the seedling making process and the sealed storage after freeze-drying. What is more important is to fully