1.11846
TLC plates, Silica gel 60 F₂₅₄ with concentrating zone 10 x 2.5 cm
pkg of 50 plates, plate L × W 20 cm × 10 cm, glass support
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About This Item
UNSPSC Code:
41115711
NACRES:
NB.21
Recommended Products
material
glass support
silica gel 60 matrix
Quality Level
feature
binder Organic Polymer
fluorescent indicator
packaging
pkg of 50 plates
technique(s)
thin layer chromatography (TLC): suitable
layer thickness
250 μm
plate L × W
20 cm × 10 cm
particle size
10-12 μm
pore size
60 Å medium pore diameter
storage temp.
2-30°C
Related Categories
General description
50 Glass plates 10 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 50 size 10x20 cm for thin layer chromatography applications.
Linkage
Replaces: 11846-6; 11846
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: 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: tuluene (45% rel.humidity)
Pore volume (N₂-isotherm): 0.74 - 0.84 ml/g
d 50 (laser diffraction, size distribution): 9.7 - 11.7 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: tuluene (45% rel.humidity)
Certificates of Analysis (COA)
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