Part 1 – Origin of Stability Test Placement Conditions   According to the concept proposed by W.Grimm (DrugsMade in Germany, 28:196-202, 1985 and 29:39-47. 1986), the world is divided into 4 climate zones according to the annual climate conditions.   Climate zone Ⅰ: temperate zone 21°C/45%RH Climate Zone Ⅱ: Subtropical 25°C/60%RH Climate zone Ⅲ: dry […]

Due to the obvious advantages of direct powder compression, such as relatively simple process, no need for granulation and drying, fast product disintegration or dissolution, and stable product quality, about 40% of tablet varieties abroad have been produced by this process .   1 Application   ① Used for drugs that are easy to change

In recent years, the safety, stability and functionality of pharmaceutical excipients for oral solid dosage forms have received unprecedented attention. No matter the time, price is always our concern. But the most important thing besides considering the price factor is to ensure the quality of pharmaceutical excipients.   Therefore, taking lactose, cellulose derivatives, phosphate, and