AMMONIUM FERRIC SULPHATE DODECAHYDRATE AR/ACS

Short Name: AMMONIUM FERRIC SULPHATE DODECAHYDRATE

Other Names: Ammonium iron (III) sulphate dodecahydrate

Chemical Specifications

Appearance : Pale violet crystals

Assay (iodometric) : 98.5 - 102%

Insoluble matter : Max 0.01%

Chloride (Cl) : Max 0.001%

Ferrous ion (Fe2+) : Passes test (about 0.001%)

Nitrate (NO3) : Max 0.01%

Calcium (Ca) : Max 0.01%

Magnesium (Mg) : Max 0.005%

Potassium (K) : Max 0.005%

Sodium (Na) : Max 0.02%

Copper (Cu) : Max 0.003%

Zinc (Zn) : Max 0.003%

Substance not precepitated by NH3 (as SO4) : Max 0.05%