Qingdao Flower Ocean Resources Ltd. [China]

ammonium sulphate is one kind fertilizer

ammonium sulphate  

Origin: China (Mainland)

Content of Nitrogen:                           21% min                                                

Moisture:                                       1% max                                                

Free Acid (As H2SO4)                            0.03 max                                            

Content of Iron(Fe):                            0.007% max                                                  

Content of Arsenic(As):                         0.00005% max                                                 

Content of Heavy Metal(by pb):                 0.005% max                                                    

Content of Water insoluble substance:         0.01% max      

ammonium sulphate