Ferrous Sulphate Supplier, CAS No. 7782-63-0
Ferrous sulfate was used in the manufacture of inks, especially iron gall ink. It is also used in wool dyeing a mordant. There are two different methods for the direct application of indigo dye. One of these is known as china blue and involved iron (II) sulfate. After printing an insoluble form of indigo onto the fabric, the indigo was reduced ...
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