Merck
All Photos(1)

1.01076

Millipore

Aluminium oxide 90 active basic (0.063-0.200 mm)

(activity stage I) for column chromatography

material

aluminum oxide (irregularly-shaped)

Quality Level

particle size

63-200 μm

pore size

9 nm mean pore size

pH

8.5-10.5 (20 °C, 100 g/L in H2O, slurry)

bp

2980 °C/1013 hPa

mp

2050 °C

density

4.0 g/cm3 at 20 °C

bulk density

500‑900 kg/m3

application(s)

plasma purification

separation technique

normal phase

storage temp.

no temp limit

Analysis Note

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

Storage Class Code

13 - Non Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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