Sulphate (MnSO4.H2O)
Purity:98% min. Mn:31.8% min. Pb:0.0015 max. As:0.0005 max. Water insoluble matter:0.05% max.
Ferrous Sulphate Monohydrate (FeSO4.H2O)
Purity:91% min. Fe 30%:min. Pb:10ppm...
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