1.01076

氧化铝，90活性碱性（0.063-0.200 mm）

(activity stage I) for column chromatography

• 分類程式碼代碼: 41115711

屬性

• 材料: aluminum oxide (irregularly-shaped)
• 品質等級: 100
• 基質活性組: Irregular-Shaped Aluminum Oxide
• 粒徑: 63-200 μm
• 孔徑: 9 nm mean pore size
• pH值: 8.5-10.5 (20 °C, 100 g/L in H₂O, slurry)
• bp: 2980 °C/1013 hPa
• mp: 2050 °C
• 密度: 4.0 g/cm³ at 20 °C
• 體積密度: 500‑900 kg/m³
• 應用: plasma purification
• 分離技術: normal phase
• 儲存溫度: no temp limit

描述

一般說明

A versatile sorbent for preparative chromatography exhibiting a higher pH stability

特點和優勢

Aluminum Oxide 90 active basic provides users with:

An aluminum oxide crystal structure comprises octahedrally and tetrahedrally coordinated aluminum coupled by oxygen atoms. The surface is covered by free hydroxyl groups. There are different acidic and basic centers that result in anion and cation exchange properties. Aluminum oxide exhibits a higher pH-stability than silica gel, especially in the alkaline range and occurs in various crystal modifications resulting in different pore diameters.

包裝

Plastic bottle

分析報告

Activity: I
pH-value (10 % suspension): 8.5 - 10.5
Substances extractable by water: ≤ 0.2 %
Chloride (Cl): ≤ 0.004 %
Sulfate (SO₄): ≤ 0.1 %
Speed of filtration: ≥ 0.3 ml/min
Particle size: 70 % between 0.063 - 0.200 mm
Setting of activity according to the Brockmann activity grades adjusted to a migration distance of 30 mm:
I: activity I
II: activity II
III: activity III
IV: activity IV
V: activity V

安全資訊

• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: nwg
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable