... %Min 3.Moisture:0.2%Max 4.Appearence:white crystal Ammonium sulphate (Ammonium sulfate) detail description:ItemStandardItemStandardNitrogen Content21% minInspect Standard GB535-1995Moisture0 ... ;used in fertilizer,dying, chemical, leather, the raw material of ammonium persulfate,adjuvant, glufosinate ,herbicides,etc. PackingLoadingApplicationPlease feel free to us ...