... , Ether, etc) ItemsSpecificationAppearanceGrey-white to pale yellow powderHirudin content100 AT-U; 200 AT-U or customizedPH (1%)6.5 – 7.8Moisture< 10 ... add in 1 gram balm or liquid. Up to 50 AT-U per gram balm or liquid for special therapic purpose ... .Packing: Vials, 100 AT-U or 200 AT-U or at custom’s requirementStorage: Stored in refrigerated container, keep ...