Allophane

• Product Name:Allophane
• Synonyms: Allophane
• CAS:12172-71-3
• MF:AlH5O4Si-2
• MW:124.1
• EINECS:
• Mol File:12172-71-3.mol
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Allophane is a general term for amorphous, aluminosilicate gels of a wide range of composition, commonly found in volcanic soils. They have a very high phosphorus retention capacity. Most clay minerals have a layer-lattice structure, but a small group of allophanes form hollow spherical crystals.<br/> Allophane and imogolite are most commonly found in relatively young soils (< 10,000 years) formed on volcanic ash and pumice. Allophane exists as a hollow, nearly spherical particle with a diameter of 3.5 to 5 nm.