Min. Order Reference FOB Price
5 Tons US$100.00-300.00 / Ton
Product Description
Product Description INDEX Specifications GB29206-2012 ( (NH4)2SO4), w/% ≥ Content( (NH4)2SO4) 99.0-100.5 , w/% ≤ Ignition Residue 0.25 (As),mg/kg ≤ Arseniic (As) 3 (Se),mg/kg ≤ Se 30 (Pb),mg/kg ≤ Pb 3 ...