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Product Datasheet and Specification

00207

Ammonium Ferric Sulphate Dodecahydrate 98.5% AR

Ammonium iron (III) sulphate dodecahydrate ; (Ferric Alum)

CAS : 7783-83-7

HS Code : 2833.29900

Molecular Formula : NH4Fe(SO4)2.12H2O

Molecular Weight : 482.19

Shelf Life : 60 Months

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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%