项    目

指标

固体

液体

氯化亚铁（FeCl₂）ω/%               ≥

60

30

酸不溶物ω/%                      ≤

0.1

0.1

游离酸（以HCl计）ω/%            ≤

0.3

0.3

砷（As）ω/%                      ≤

0.0005

铅（Pb）ω/%                      ≤

0.004

汞（Hg）ω/%                      ≤

0.00002

镉（Cd）ω/%                      ≤

0.0005

铬（Cr）ω/%                      ≤

0.005

锌（Zn）ω/%                      ≤

0.01

铁（Fe）ω/%                      ≤

0.05

铜（Cu）ω/%                      ≤

0.005

锰（Mn）ω/%                      ≤

0.10