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Specific surface area (according to BET; 5-Pt. measurement) 480 - 540 m²/g

Pore volume (N₂-isotherm) 0.74 - 0.84 ml/g

d 50 (laser diffraction, size distribution) 9.5 - 11.5 µm

Layer thickness 210 - 270 µm

Deviation of layer thickness per plate ≤ 35 µm

Chromatographic testings:

A) Colour test

hRf-values

- bleu vif organol, colour test, lipophile

11 - 25

- Ceres Black G, colour test, lipophile 34 - 48

- ceres Violet brn, colour test, lipophile 52 - 67

separation number (colourtest, lipophile) ≥ 10.5

B) Steroid test

hRf-values

- hydrocortisone, steroid test

25 - 37

- Reichstein S, steroid test 37 - 49

- methyltestosterone, steroid test 42 - 54

Typical value determined on a conditioned plate

Eluent A) Toluene (45% rel.humidity)

Eluent B) Ethyl acetate/Toluene (95+5 v/v; 20% rel.humidity)