Aluminum Sulfate
Aluminum sulfate exists as white, lustrous crystals, granules, or powder. In nature, it exists as the mineral alunogenite. Aluminium sulfate is sometimes called alum or papermaker's alum, however, the name "alum" is more commonly and properly used for any double sulfate salt with the generic formula XAl(SO4)2·12H2O, where X is a monovalent cation such as potassium or ammonium. Aluminum sulfate has an action similar to that of alum but is more stringent. Aluminum sulfate is an aluminum salt composed of aluminum, sulfur, and oxygen, three plentiful elements. Its molecular formula is Al2(SO4)3 or Al2S3O12 or Al2O12S3.
|
Product Name |
Aluminum Sulphate |
Water insoluble substance |
<0.15% |
|
CAS Number |
10043-01-3 |
Fe |
<0.5% |
|
Purity |
17% |
Place of Origin |
Henan,China |
|
Appearance |
White Powder |
Molecular Formula |
Al2(SO4)3 |
Aluminum Sulfate in Paper Industry
Aluminum sulfate was used in making paper, it helps to size the paper. In this process, it is combined with rosin soap to change the absorbency of the paper, which changes the paper's ink-absorbing properties. Aluminum sulfate produces acidic conditions, whereas synthetic sizing agents produce acid-free paper which does not break down as easily. In the papermaking industry, it is used as a paper sizing agent to enhance the water resistance and impermeability of paper.
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