ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE AR/ACS

Short Name: ALUMINIUM AMMONIUM SULPHATE DODECAHYDRATE

Other Names: Ammonium Alum

Chemical Specifications

Appearance : White crystalline powder

Assay : 98-102%

Phosphate (PO4) : Max 0.0025%

Insoluble matter : Max 0.005%

Reaction : Not less than pH 3.0

Chloride (Cl) : Max 0.001%

Nitrate (NO3) : Max 0.001%

Silicate (SiO3) : Max 0.002%

Arsenic (As) : Max 0.00005%

Copper (Cu) : Max 0.0005%

Iron (Fe) : Max 0.001%

Heavy metal (as Pb) : Max 0.001%

Calcium (Ca) : Max 0.05%

Potassium (K) : Max 0.05%

Sodium (Na) : Max 0.01%