Sulfadiazine Sodium(SD-Na)
Veterinary medicine governor of the People's Republic of China
(2010)                                                                         USP 32
Property: White crystalline powder                       Off-white crystalline powder
Identification: (1) (2) (3) shall comply with          AB shall comply with
Alkalinity : 9.6-10.5
Clarity and color of the solution: Clear                 ≤Y3
Drying loss: 1.0%                                                     ≤0.5%
Heavy metal: ≤0.0002%                                         ≤20PPM
Selenium:                                                                  ≤0.003%
Content: No less than 99.0%                                99.0-100.5%