1.05608

TLC plates, Silica gel 60 F₂₅₄ Multiformat pre-scored to 5 x 20 cm

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

• Synonyme(s) : Pre-scored Silica Gel 60 Plates
• Code UNSPSC : 41115711
• Nomenclature NACRES : NB.21

Propriétés

• Matériaux: glass support; silica gel 60 matrix
• Niveau de qualité: 100
• Caractéristiques: binder Organic Polymer; fluorescent indicator
• Conditionnement: pkg of 20 plates
• Technique(s): thin layer chromatography (TLC): suitable
• Épaisseur de la couche: 250 μm
• Plaque/Plateau, L × l: 20 cm × 20 cm
• Taille des particules: 10-12 μm
• Dimension de pores: 60 Å medium pore diameter
• Température de stockage: 2-30°C

Description

Description générale

20 Glass plates 20 x 20 cm

These pre-scored glass plates fold into smaller formats with just one easy snap of the fingers.

Application

Glass TLC plate, silica gel coated with flourescent indicator F254. The silica gel TLC plates come in a quantity of 20 size 20x20 cm for thin layer chromatography applications.

Liaison

Replaces: 5608-7; 5608

Remarque sur l'analyse

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) 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)