METHODS To mix the control solution of rheum officinale composition add 0.5% Mg(A C) 2, and determine its absorbance at 510 nm using 0.5% Mg(A C) 2 as blank, diphenyl ethylene glycoside at 310 nm with 95% CH 3CH 2OH solvent.
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释义
方法 :大黄素对照品溶液与 0 .;5%25Mg(AC) 2 显色;在5 10nm处以 0
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