EDTA fertilizer 1,Iron chelated:13.0% 2,Purity:99.0% 3,Water insoluble:0.1% 4,Appearance:yellow crystalline powder EDTA fertilizer1, Chemical ... chelated form. Specification: 1, Purity:99.0% min 2, Iron chelated: 13%min. 3, Water insoluble: 0.1%max. 4, PH value (1% of the solution) ... yellow crystalline powder 7, Solubility;90g/1(20C) 120g/1(30C) 1700g/1(80C)8, Density:650kg/m39, Packaging: 25kg net in ...