1.05735

TLC plastic sheets, Silica gel 60 F₂₅₄

pkg of 25 sheets, sheet L × W 20 cm × 20 cm, plastic support

• UNSPSC Code: 41115711

Properties

• material: plastic support; silica gel 60 matrix
• Quality Level: 100
• feature: binder Organic Polymer; fluorescent indicator
• packaging: pkg of 25 sheets
• technique(s): thin layer chromatography (TLC): suitable
• layer thickness: 200 μm
• sheet L × W: 20 cm × 20 cm
• particle size: 10-12 μm
• pore size: 60 Å medium pore diameter
• storage temp.: 2-30°C

Description

General description

25 Plastic sheets 20 x 20 cm

Our classical silica TLC plates are based on a combination of our proven silica gel 60 and the addition of a unique polymeric binder resulting in a very adherent and hard surface that will not crack or blister and even allow writing with a pencil on the surface without risk to damage the layer.

Linkage

Replaces: 5735-7; 5735

Analysis Note

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 µm
Layer thickness: 175 - 225 µm
Deviation of layer thickness per plate: ≤ 40 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) Steriod 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 sheet
Eluent A) Toluene (45% rel.humidity)
Eluent B) Ethyl acetate/Toluene (95+5 v/v; 20% rel.humidity)