磺胺嘧啶(SD)
中华人民共和国兽药典
（2010）                                                       BP2009                                        EP6                   
性状：白色或类白色的结晶或粉末            白色、淡黄白色结晶性粉末       白色、淡黄白色结晶性粉末                   
鉴别：(1)(2)(3)应符合                                ABC应符合                                    ABCD应符合            
酸度：≤0.1mol/L NaOH 0.2ml                ≤0.1mol/L NaOH 0.2ml           ≤0.1mol/L NaOH 0.2ml                              
碱性溶液的澄清度与颜色：澄清，≤Y3            ≤Y5 BY5GY5
氯化物：≤0.01%                                  /                              /                         
干燥失重：≤0.5%                          ≤0.5%                        ≤0.5%                   
炽灼残渣：≤0.1%                          ≤0.1%                        ≤0.1%                   
重金属：不得过百万分之十                  ≤10PPM                      ≤10PPM                   
含量(干燥品)：≥99.0%                      99.0-101.0%                    99.0-101.0%  
有关物质：                                ≤0.5%（TLC）                 ≤0.5%（TLC）                     /