The difference between ferrous sulphate monohydrate and ...
2018-7-20u2002·u2002The appearance is different: ferrous sulphate monohydrate is also known as feed grade ferrous sulfate, and the production process adopts a dry white or pale white powder solid which is formed by wet dissolving and dehydration and recrystallization. The ferrous sulfate heptahydrate is obtained as a by-product of the direct titanium dioxide plant and is a pale green or green solid.
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