... water slightly soluble in alcohol,Analytical method: HPLCSpecification:(HPLC)≥50%,80%,90%Particle size: 100 meshPlant origin: Polygonum cusPldatumStorage:Store in ... ,pesticide,purgative,spasmolytic, styptic.ADVANCED TEST EQUIPMENTFACTORY INTRODUCE Emodin 50% 80% 90% HPLC