Description
Aluminium oxide 90 basic is a chromatographic sorbent supplied for column chromatography, with the empirical formula Al₂O₃, CAS number 1344-28-1, and EG nr. 215-691-6. The material has a molar mass of 101,94 g/mol, a density of 3,97 g/cm³, and a boiling point of 2980 °C, reflecting the thermal stability expected of aluminium oxide stationary phases. The basic activity grade is selected when alkaline surface character is preferred for separation, clean-up, or fractionation steps in analytical and preparative work. This aluminium oxide from manufacturer Carl ROTH belongs to the established range of sorbents used for adsorption chromatography of organic mixtures. Specify basic grade when method protocols call for basic alumina 90 rather than neutral or acidic alternatives, and handle as a fine inorganic solid under normal laboratory dust-control practice.
This article is part of Sorbents, silica gel & ion exchangers, in SPE & sample preparation.
Key features
- pH-value: >8,5
- Specific surface: 90-170 m²/g
- <50 µm: ≤10 %
- >200 µm: ≤5 %
- CAS number: 1344-28-1
- Pack sizes: 500 g, 1 kg, 2.5 kg
- EG nr.: 215-691-6
- Empirical formula: Al₂O₃
- Molar mass: 101,94 g/mol
- Density: 3,97 g/cm³
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Aluminium oxide 90 basic, for column chromatography, 500 g, plastic
What is this article?
Aluminium oxide 90 basic, for column chromatography, 500 g, plastic is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Sorbents, silica gel & ion exchangers, inside SPE & sample preparation, in Chromatographie.
Loose sorbent, silica gel and ion-exchange resin are the phases bought in bulk to pack a column or to stir into a solution. Particle size and activity, or the ion-exchange capacity, are the specification. A TLC silica and a flash silica of different particle sizes are not the same separation.
Solid-phase extraction holds a compound on a sorbent while the rest of the sample is washed away, then releases it in a small volume. The sorbent, the bed mass and the solvents are the method. Silica, ion exchangers and polymer phases do different jobs. A flash column is the same idea scaled toward purification rather than trace cleanup. The molecules are on PubChem, named by IUPAC.
Which category should I open next?
The category is SPE & sample preparation. The sub-category is Sorbents, silica gel & ion exchangers. The catalogue is Chromatographie.
Shelves beside this one are SPE cartridges & columns and Flash, empty & glass chromatography columns.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.