Sulphaguanidine(SG)
Veterinary medicine governor of the People's Republic of China
(2010)                                                                               BP2009                                               EP6                   
Property: White needle crystalline powder                White crystalline powder                 White crystalline powder
Melting point: 189-192℃                                              189-193℃                                          189-193℃   
Identification: (1) (2) (3) shall comply with                 ABCDE shall comply with               ABCDE shall comply with
pH value : ≤0.1mol/L NaOH 0.1ml                              ≤0.1mol/L NaOH 0.1ml                   ≤0.1mol/L NaOH 0.1ml
Chloride : ≤0.010%                                                         /                                                              /      
Related substances : ≤0.5% (TLC)                            ≤0.5% (TLC)                                      ≤0.5% (TLC)
Drying loss: 6.0%-8.0%                                                ≤8.0%                                                 ≤8.0%
Residue on ignition: No more than 0.1%                  ≤0.1%                                                ≤0.1% 
Heavy metal: No more than 20 PPM                           ≤20PPM                                            ≤20PPM
Content (Anhydrous substance) : No less than 99.0%   99.0-101.0%                               99.0-101.0%