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Product Name

 FERROUS AMMONIUM SULPHATE AR (HEXAHYDRATE)

Article No

 F0098200500

CAS No

 7783-85-9

Molecular Formula

 (NH4)2SO4FeSO4.6H2O

Molecular Weight

 392.13

Specifications

Appearance:

 Greenish blue crystals/crystalline powder

Insoluble matter:

 Max 0.01%

Sodium (Na):

 Max 0.02%

Copper (Cu):

 Max 0.003%

Calcium (Ca):

 Max 0.005%

Magnesium (Mg):

 Max 0.002%

Manganese (Mn):

 Max 0.01%

Phosphate (PO4):

 Max 0.003%

Potassium (K):

 Max 0.002%

Zinc (Zn):

 Max 0.003%

Assay (oxidimetric):

 99 - 101.5%

Ferric ion (Fe):

 Max 0.01%

Substance not precipitated by NH4OH:

 Max 0.05%