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Ferrous Sulphate Heptahydrate+Homic AcidBrown Granular(Test indicators)FeSO4.7H2O °¥78.4%Fe °¥15.76%Humic Acid °¥20%S °¥ 9%High Fe °¤0.08% Water Insoluble °¤0.25%Titanium Dioxide °¤0.40%Free Water °¤0.3%Free Acid (H2SO4) °¤0.28% 0.16%packing 25kg , 20kg we kindly ask you to give us your final price : CIF Aden port of Yemen looking for your reply soon we are looking for the following product: catalog