Sulfate de fer heptahydrate

SULFATE DE FER HEPTAHYDRATE

ferrous sulphate ferrous sulphate

properties:
. Fe(II)SO4.7H20
chemical composition •
purity •
. 96 %
appearance pale bluish green crystals
chemical analysis Fee" 19.5 % Pb < 4 ppm
Cr < 50 ppm As < 2 ppm
Ni < 50 ppm Cd < 1 ppm
Zn < 20 ppm Hg < 0,3 ppm
Cu < 10 ppm AOx < none
Insolubles: negligible Se < 4 ppm

apparent density 0,9 - 1,1 kg/I
analysi Insolubles: according DIN 19609

pH 2 (saturated solutions)
saturation: solubility density
at 5 °C 320 g/I 1,18 kg/I
at 10 °C 365 g/I 1,20 kg/I
at 15 °C 410 g/I 1,23 kg/I
at 20 °C 450 g/I 1,25 kg/I
at 25 00 500 g/I 1,28 kg/I
• at pH > 3, or undersaturated, solutions will tend to hydrolise.
• solutions will freeze at -2 °C, independant of concentration
applications:
in municipal and industrial effluent watertreatment and in potable water production
as precipitant and flocculant, for phosphate elimination, sludge dewatering, H2S-elimination. (maximum dosage in potable water production according KIWA / ATA 50g Fe/m3)
in agrochemicals as a fertilizer additive, as mosskiller, fungicide, algicide for underwater cultivated crops like rice, pesticide against snails and slugs.
as pigment (additive) for textile, leather, wood.
packaging:
in bulk vessels, in bulk trucks, in single heavy duty PE bags of approx. 25 kg.