Ammonium Bifluoride,ABF98%, ABF,Ammonium Hydrogen Difluoride,Ammonium Hydrogen Fluoride;Ammonium Bi Fluoride;acid Ammonium Fluoride;ammonium Acid Fluoride;ammonium Difluoride, (zhoulinjie2009@yahoo.com), Molecular Formula:NH4F.HF,NH5F2,NH4HF2, Mo ...Read More