高效液相色谱法测定常通口服液中大黄酸的含量
Determination of rhein acid in Changtong Oral Liquid by HPLC
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Abstract: OBJECTIVETo establish the quality standard for Changtong Oral Liquid. METHODThe Rhein acid was determined by HPLC method. RESULTSThe average recovery of Rhein acid was 98.8.4%, RDS= 0.7%. Good linearity of Rhein acid was obtained (r=1.0000) within the