項目

標準

含量（FeSO4·7H2O）%

             99-101

 鐵 Fe3+: %

            ≤0.01

 銅（Cu）:%

            ≤0.002

 鋅（Zn）:%

            ≤0.002

 砷（As）:%

            ≤0.000 3

 氯（Cl）:%

            ≤0.005

 鈉（Na）:%

            ≤0.002

 鉀（K） :%

            ≤0.002

 鈣（Ca）:%

            ≤0.003

 錳（Mn）:%

            ≤0.02

 鎂（Mg）:%

            ≤0.000 3

 鉻（Cr）:%

            ≤0.002

 鈷（Co）:%

            ≤0.002

 鎳（Ni）:%

            ≤0.002

 鋁（Al）:%

            ≤0.002

 鎘（Cd）:%

            ≤0.001

 鉛（Pb）:%

            ≤0.000 1

 汞（Hg）:%

            ≤0.000 2

 鈦（Ti）:%

            ≤0.000 3

    pH:

               2-3