1.11798
TLC plates, Silica gel 60 F₂₅₄ with concentrating zone 20 x 2.5 cm
pkg of 25 plates, plate L × W 20 cm × 20 cm, glass support
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About This Item
Code UNSPSC :
41115711
Nomenclature NACRES :
NB.21
Produits recommandés
Matériaux
glass support
silica gel 60 matrix
Niveau de qualité
Caractéristiques
binder Organic Polymer
fluorescent indicator
Conditionnement
pkg of 25 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 générale
25 Glass plates 20 x 20 cm
These plates allow users to quickly and easily apply any kind of sample, even large volumes of diluted samples. Our concentrating zone plates are based on different adsorption properties of two adsorbents. The first is a large pore concentrating adsorbent where the samples are applied; the second is a selective layer for separation. Regardless of the spots’ shape, size, or position, the sample always concentrates as a narrow band where the two adsorbents overlap and where the separation starts. These plates allow users to quickly and easily apply any kind of sample, even large volumes of diluted samples.
Application
Glass TLC plate, silica gel coated with flourescent indicator F254. The silica gel TLC plates come in a quantity of 25 size 20x20 cm for thin layer chromatography applications.
Liaison
Replaces: 11798-7; 11798
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): 10 - 12 µm
Layer thickness: 170 - 250 µm
Deviation of layer thickness per plate: ≤ 50 µm
layer thickness concentrating zone: 90 - 130 µm
Fluctuation in the thickness of the concentration zone: ≤ 35 µm
Chromatographic testing:
colour test
hRf-values
- bleu vif organol, colour test, lipophile:
15 - 21
- Ceres Black G, colour test, lipophile: 36 - 42
- ceres Violet brn, colour test, lipophile: 51 - 58
Typical value determined on a conditioned plate
Eluent: toluene (45% rel. humidity)
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
d 50 (laser diffraction, size distribution): 10 - 12 µm
Layer thickness: 170 - 250 µm
Deviation of layer thickness per plate: ≤ 50 µm
layer thickness concentrating zone: 90 - 130 µm
Fluctuation in the thickness of the concentration zone: ≤ 35 µm
Chromatographic testing:
colour test
hRf-values
- bleu vif organol, colour test, lipophile:
15 - 21
- Ceres Black G, colour test, lipophile: 36 - 42
- ceres Violet brn, colour test, lipophile: 51 - 58
Typical value determined on a conditioned plate
Eluent: toluene (45% rel. humidity)
Certificats d'analyse (COA)
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