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碱性氧化铝吸附剂

碱性氧化铝吸附剂

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Al2O3 nH2O n<1,CAS:1344-28-1 MP EcoChrom™氧化铝B, Activity I是一种良好的“全能”吸附剂,用于实验室和工业用途。它们可以通过加入极性介质(最好是水)来调节到较低的活性,但也可以使用较高的醇,如乙二醇或甘油来调节到较高的活性。铝氧化物,在自然界中以各种矿物的形式出现,如铝土矿、刚玉等,可被用作吸附剂、干燥剂和催化剂,并用于牙科材料和耐火材料。

SKU: 0202069-CF

Synonyms
Alumina; Aluminum oxide; Activated aluminum oxide
CAS Number:
1344-28-1
Molecular Formula:
Al2O3
Molecular Weight:
101.96
EC Number:
215-691-6
MDL Number:
MFCD00003424
Product Description

MP EcoChrom™ Alumina B, Activity I are a good "all-round" adsorbents for laboratory use as well as for industrial use. They can be adjusted to lower activity by the addition of polar media, preferably water, but also higher alcohols, e.g. glycol or glycerol can be used. An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories.

Application Notes

MP EcoChrom™ Alumina B catalyses a variety of reactions that are useful industrially. It is widely used to remove water from gas streams. Also used for its hardness and strength. It is widely used as an abrasive, including as a much less expensive substitute for industrial diamond. Many types of sandpaper use aluminium oxide crystals. In chemistry laboratories, alumina is a medium for chromatography, available in basic (pH 9.5), acidic (pH 4.5 when in water) and neutral formulations , as well as for alcohols, hydrocarbons, steroids, alkaloids and natural pigments. Neutral alumina, (less active than the basic form) is useful for separation of aldehydes, ketones, quinones, esters, lactones, and glucosides. Acidic alumina, is the weakest and least often used type. Alumina is useful for separation of acid pigments and strong acids.It can cause polymerization, condensation and dehydration reactions. Neither acetone nor ethyl acetate should be used as eluants, the latter being subject to saponification. As well, it is used as a dosimeter for radiation protection and therapy applications for its optically stimulated luminescence properties.

Usage Statement

Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.

Key Applications

Chromatography | Adsorbants | TLC

Specifications
SKU 0202069-CF
Alternate Names Alumina; Aluminum oxide; Activated aluminum oxide
Application Notes MP EcoChrom™ Alumina B catalyses a variety of reactions that are useful industrially. It is widely used to remove water from gas streams. Also used for its hardness and strength. It is widely used as an abrasive, including as a much less expensive substitute for industrial diamond. Many types of sandpaper use aluminium oxide crystals. In chemistry laboratories, alumina is a medium for chromatography, available in basic (pH 9.5), acidic (pH 4.5 when in water) and neutral formulations , as well as for alcohols, hydrocarbons, steroids, alkaloids and natural pigments. Neutral alumina, (less active than the basic form) is useful for separation of aldehydes, ketones, quinones, esters, lactones, and glucosides. Acidic alumina, is the weakest and least often used type. Alumina is useful for separation of acid pigments and strong acids.It can cause polymerization, condensation and dehydration reactions. Neither acetone nor ethyl acetate should be used as eluants, the latter being subject to saponification. As well, it is used as a dosimeter for radiation protection and therapy applications for its optically stimulated luminescence properties.
Auto Ignition Not applicable
Base Catalog Number 02069
Boiling Point ca. 2980 °C(Lit.)
CAS # 1344-28-1
Density 3.94 g/cm³ at 20 °C(Lit.)
EC Number 215-691-6
Format Free Flowing Powder
Grade Activity I
Hazard Statements H317
Melting Point ca. 2072 °C (Lit.)
Molecular Formula Al2O3
Molecular Weight 101.96
Particle Size 63-200 μm
Personal Protective Equipment Use personal protective equipment and Avoid contact with skin and eyes
pH 10(Lit.)
RTECS Number BD1200000
Solubility Insoluble in water.
Specific Activity Activity acc. to Brockmann: 24 l/mm
Surface Area 150 m²/g
Usage Statement Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.
Vapor Pressure at 20 °C not applicable
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