Ammonium iron(II) sulfate

Light blue-green crystals

Water insoluble≤0.005%

Cl≤ 0.001%

PO4≤ 0.0005%

Mn≤0.05%

Fe≤0.01%

Cu≤0.002%

Zn≤0.003%

Pb≤0.002%

Sulfate≤0.1%

Content≥99.5%

In analytical chemistry, it is used to prepare standard solutions of ferrous ions.

It is also used to print the type plate coating to prolong the service life of the type plate.

Also used in medicine, electroplating and so on.