HPTLC Silica gel 60 F₂₅₄Multiformat pre-scored to 5 x 5 cm

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一般描述

ex Glass plates 10 x 10 cm
These pre-scored glass plates fold into smaller formats with just one easy snap of the fingers.

联系

Replaces: 5635-5; 5635

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): 5 - 7 ?m
Layer thickness: 150 - 200 ?m
Deviation of layer thickness per plate: ≤ 35 ?m
Chromatographic testings:
A) Colour test
hRf-values
- bleu vif organol, colour test, lipophile:
17 - 22
- Ceres Black G, colour test, lipophile: 38 - 43
- ceres Violet brn, colour test, lipophile: 58 - 64
separation number
- colourtest, lipophile:
≥ 10.0
B) Steriod test
hRf-values
- hydrocortisone, steroid test:
23 - 29
- Reichstein S, steroid test: 36 - 45
- methyltestosterone, steroid test: 43 - 52
separation number
- steroid test:
≥ 10.5
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)

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