Ammonium Phosphate AS,Nitrogen(N)content>21.0%,free water<0.2%,free acid(H2SO4)<0.03%,iron(Fe)content<0.007% Ammonium ... ASMajor Technical Specifications: Nitrogen(N)content≥21.0%,free water≤0.2%,free acid(H2SO4)≤0.03%,iron(Fe)content≤0.007 ... indoor or be covered with protection materials like canvas and free from the blazing sunOther Information:(seen in correlated statement)