双醋瑞因含量≥99.0%重金属≤10ppm砷盐≤1ppm大黄酸≤0.2%芦荟大黄素≤20ppm三乙酰芦荟大黄素≤0.2%芦荟素≤0.05%灼烧残渣≤0.1%干燥失重≤0.2%)