Specifications:
| Appearance | White or light-grey granular or powder | |
| Available chlorine | 70%min | 65%min |
| Moisture | 4-10% | 3%max |
| Insolubility | 3.0 %max | 5.0 %max |
| Density g/ml | 1.0-1.1 | 1.0-1.1 |
| CaCL2 | 2%max | 9%max |
application
colorant
A, and other iron gall ink ink production requires the use of ferrous sulfate. Wood dyeing mordant also contains ferrous sulfate.
B, ferrous sulfate can be used to dye concrete to yellow rust color.
C, ferrous sulfate used for carpentry, maple dyed with silver color.
agriculture
Regulating soil pH and promoting chlorophyll formation (also known as iron fertilizer) can prevent chlorosis caused by iron deficiency in flowers and trees. Hi is especially indispensable elements of acid and iron. Agriculture is also used as a pesticide, can control wheat smut, apple and pear scab scar and fruit trees rot; also can be used as fertilizer, can remove moss and lichen trunk.
