TLC Silica gel 60 F254 25 Aluminium sheets 20 x 20 cm

Category:

Description

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) 9.7-11.7 um
Layer thickness 175-225 um
Deviation of layer thickness per plate ≤ 30 um

hRf-values

A) Colour test
Bleu VIF Organol : 11-25
Ceres black : 34-48
Ceres violet BRN : 52-67
Separation number: ≥ 10.5

hRf-values

B) Steroid test
Hydrocortisone 25-37
Reichstein S 37-49
Methyltestosterone 42-54
Typical value determined on a conditioned sheet
Eluent A) Toluene (45% rel.humidity)
Eluent B) Ethyl acetate/Toluene (95/5 v/v; 20% rel.humidity)