This method was an improvement on acid dye direct titration. 對酸性染料直接滴定法作了改進。
Methods The method of determining dexamethasone sodium phosphate and ephedrine hydrochloride by HPLC and acid-base titration was used. 方法採用高效液相色譜法和直接滴定法測定製劑中主葯地塞米松磷酸鈉和鹽酸麻黃鹼的含量。
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