510-85 What are the matters needing attention of air jet sieving method in the second method sieving method of Chinese pharmacopoeia 2015 edition?
- Pay attention to environmental humidity during sieving test to prevent water absorption or water loss of samples.
- For samples prone to static electricity, 0.5% colloidal silica and (or) aluminum oxide and other antistatic agents can be added to reduce the impact of electrostatic action.