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

• Sinónimos: Analytical TLC Plates with Zone
• NACRES: NB.21
• UNSPSC Code: 41115711
• eCl@ss: 32039090

Propiedades

• Quality Segment: 100
• 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

Descripción

General description

25 Glass plates 20 x 20 cm

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)

Other Notes

Replaces: 11845-7; 11845