... common use and most typical inorganic nitrogen fertilizer. Ammonium Sulphate is the best fast release, quick acting fertilizer, which ... Insolubel≤ 0.03%Heavy Metal≤ 0.005%AppearanceWhite GranularsAmmonium Sulphate is very popular in Japan, Southeast Asia, as well ... , ammonium chloride, ammonium nitrate etc. Large granular Ammonium Sulphate can also serve as raw material for compound fertilizer. As ...