EDTA fertilizer 1,Iron chelated:13.0% 2,Purity:99.0% ... metal chelate, mainly used In agriculture and horticulture and iron is present in a chelated form. Specification: 1, ... Purity:99.0% min 2, Iron chelated: 13%min. 3, Water insoluble: 0.1%max. ... and Ferrous Sulphate shipped 400,000mts fertilizer in the past one year, We can supply fertilizers and feed additive in ore, ...