TLC Silica gel 60 F₂₅₄with concentrating zone 20 x 2.5 cm

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一般描述

25 Aluminium sheets 20 x 20 cm

联系

Replaces: 5583-7; 5583

分析说明

Specific surface area (according to BET; 5-Pt. measurement): 480 - 540 m?/g
Pore volume (N?-isotherm): 0.74 - 0.84 ml/g
d 50 (laser diffraction, size distribution): 9.5 - 11.5 ?m
Layer thickness: 160 - 220 ?m
Deviation of layer thickness per plate: ≤ 40 ?m
layer thickness concentrating zone: 90 - 140 ?m
Fluctuation in the thickness of the concentration zone: ≤ 30 ?m
Chromatographic testing:
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
Typical value determined on a conditioned sheet
Eluent: tuluene (45% rel humidity)

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