Product Name:  Ammonium ferric citrate Synonyms:  1,2,3-Propanetricarboxylicacid, 2-hydroxy-,ammoniumiron(3+)salt; CAS:  1185-57-5 EINECS:  214-686-6     Specification Appearance:  brownish-yellow to brown powder Content:         99%min.     Usage - As a food additive, where it has the E number E381, and is used as an acidity regulator. - Water purification - As a reducing agent of metal salts of low activity like gold and silver. - With potassium ferricyanide as part of the cyanotype photographic process. - Used in Kligler iron deeps to determine hydrogen sulfide production in microbial metabolism. - In medical imaging, ammonium ferric citrate is used as a contrast medium. - As a hematinic     Packing 25KG/ cardboard bucket can be split         ---------------------------------------------------------------------------------------------------------------------