1.05714

TLC plates, Silica gel 60 F₂₅₄

pkg of 100 plates, plate L × W 5 cm × 20 cm, glass support

• Sinônimo(s): Silica Gel Chromatography Plates
• Código UNSPSC: 41115711
• NACRES: NB.21

Propriedades

• Materiais: glass support; silica gel 60 matrix
• Nível de qualidade: 100
• Características: binder Organic Polymer; fluorescent indicator
• embalagem: pkg of 100 plates
• técnica(s): thin layer chromatography (TLC): suitable
• espessura da camada: 250 μm
• placa C × L: 5 cm × 20 cm
• tamanho de partícula: 10-12 μm
• tamanho de poro: 60 Å medium pore diameter
• temperatura de armazenamento: 2-30°C

Descrição

Descrição geral

100 Glass plates 5 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 pensil on the surface without risk to damage the layer.

Ligação

Replaces: 5714-3; 5714

Nota de análise

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): ≥ 10.5
B) Steroid 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)