Place talcum powder in a frying container, heat it over medium heat until it becomes flexible, then add the items to be calcined. Stir-fry until they puff up, become crispy, and the surface turns yellow or reaches the specified degree. Then quickly remove them, sift out the talcum powder, and let them cool. Unless otherwise specified, use 40 to 50 kg of talcum powder for every 100 kg of items to be calcined. This is in accordance with the general rules for processing in Section 0213 of the 2020 edition of the Pharmacopoeia of the People's Republic of China.
取滑石粉置炒制容器内，用中火加热至灵活状态时，投入待炮炙品，翻炒至鼓起、酥脆、表面黄色或至规定程度时，迅速取出，筛去滑石粉，放凉。除另有规定外，每100kg待炮炙品，用滑石粉40～50kg。根据中华人民共和国药典2020版四部0213炮制通则。