Weighing is inherently a more positive and accurate method. 稱重法從根本上說是一種更可靠和更精確的方法。
Methods Use weighing method to weight the dry matter and an HPLC method to determine the content of isoimperatorin in A. dahurica root. 方法採用稱重法測定白芷干物質,高效液相色譜法測定根中異歐前胡素。