Article No. | Grade | Purity | Cas no. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
A0019805000 | AR | 98% | 7784-31-8 | AI2(SO4)3.18H2O | 666.42 | 2833.2210 |
60 Months |
Physical state at 20 °C
Solid
Colour
White powder
pH value
3 - 4
Melting Point/ Freezing point [°C]
86 °C
Solubility in water [% weight]
Soluble in water
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% |