Reference standard Specification Of EP5.4
Appearance Whitish or yellowish powder
Specific optical rotation: +28.5 ~+32.0
Heavy metals: 10ppmNot more than 10ppm
Related substances: 1.5%Not more than 1.5%
Water content: 4.0%Not more than 4.0%
Assay 99.0%~101.0%.
Reference standard Specification Of EP5.4
Appearance Whitish or yellowish powder
Specific optical rotation: +28.5° ~+32.0°
Heavy metals: 10ppmNot more than 10ppm
Related substances: 1.5%Not more than 1.5%
Water content: 4.0%Not more than 4.0%
Assay 99.0%~101.0%.