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Product Name

 ALUMINIUM SULPHATE AR (18H2O)

Article No

 A0019800500

CAS No

 7784-31-8

Molecular Formula

 AI2(SO4)3.18H2O

Molecular Weight

 666.42

Specifications

Appearance:

 A white crystalline powder

Insoluble matter:

 Max 0.005%

Chloride (Cl):

 Max 0.001%

Heavy metal (as Pb):

 Max 0.001%

Sodium (Na):

 Max 0.02%

Iron (Fe):

 Max 0.002%

Copper (Cu):

 Max 0.001%

Calcium (Ca):

 Max 0.01%

Magnesium (Mg):

 Max 0.002%

Ammonium (NH4):

 Max 0.002%

Reaction:

 Min pH 2.5

Potassium (K):

 Max 0.005%

Assay ( as AI2(SO4)3.18H2O]; complexometric):

 98 - 102%

Substance not precipitated by ammonia (as SO4):

 Max 0.2%