1.15341

TLC plates, Silica gel 60 F₂₅₄

pkg of 500 plates, plate L × W 2.5 cm × 7.5 cm, glass support

• Sinónimos: Silica Gel 60 Thin Layer Chromatography Plates
• NACRES: NB.21
• UNSPSC Code: 41115711

Propiedades

• Quality Segment: 100
• material: glass support, silica gel 60 matrix
• feature: binder Organic Polymer, fluorescent indicator
• packaging: pkg of 500 plates
• technique(s): thin layer chromatography (TLC): suitable
• layer thickness: 250 μm
• plate L × W: 2.5 cm × 7.5 cm
• particle size: 10-12 μm
• pore size: 60 Å medium pore diameter
• storage temp.: 2-30°C

Descripción

General description

500 Glass plates 2.5 x 7.5 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 pensil on the surface without risk to damage the layer.

Application

Glass TLC plate, silica gel coated with flourescent indicator F254. The silica gel TLC plates come in a quantity of 500 size 2.5x7.5 cm for thin layer chromatography applications.

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: 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): ≥ 9.0
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 plate
Eluent A) Toluene (45% rel.humidity)
Eluent B) Ethyl acetate/Toluene (95+5 v/v; 20% rel.humidity)

Other Notes

Replaces: 15341-5; 15341