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Merck

1.11845

TLC plates, Silica gel 60 with concentrating zone 2.5 x 20 cm

pkg of 25 plates, plate L × W 20 cm × 20 cm, glass support

Synonym(s):

Analytical TLC Plates with Zone

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About This Item

NACRES:
NB.21
UNSPSC Code:
41115711

Product Name

TLC plates, Silica gel 60 with concentrating zone 2.5 x 20 cm, pkg of 25 plates, plate L × W 20 cm × 20 cm, glass support

material

glass support
silica gel 60 matrix

feature

binder Organic Polymer
fluorescent indicator: no

packaging

pkg of 25 plates

technique(s)

thin layer chromatography (TLC): suitable

layer thickness

250 μm

plate L × W

20 cm × 20 cm

particle size

10-12 μm

pore size

60 Å medium pore diameter

storage temp.

2-30°C

Quality Level

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: toluene (45% rel.humidity)

General description

25 Glass plates 20 x 20 cm

Other Notes

Replaces: 11845-7; 11845

Certificates of Analysis (COA)

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