1.51015

TLC aluminum sheets, silica gel 60 RP-18 F254s MS-grade

pkg of 20 sheets, sheet L × W 5 cm × 7.5 cm, aluminum support

• UNSPSC Code: 41115711
• NACRES: NB.21

Properties

• material: aluminum support; silica gel 60 matrix
• Quality Level: 100
• feature: binder Organic Polymer; fluorescent indicator
• packaging: pkg of 20 sheets
• technique(s): TLC-MS: suitable; thin layer chromatography (TLC): suitable
• layer thickness: 100 μm
• sheet L × W: 5 cm × 7.5 cm
• particle size: 10-12 μm
• pore size: 60 Å medium pore diameter
• storage temp.: 2-30°C

Description

General description

20 Aluminium sheets 5x7.5

Reference:
Gertrud Morlock, Wolfgang Schwack
Coupling of planar chromatography to mass spectrometry
TrAC Trends in Analytical Chemistry, Volume 29, Issue 10, 2010, Pages 1157-1171

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
Layerthickness: 80 - 120 µm
Deviation of layer thickness per plate: ≤ 30 µm
A) Cholesterin test
hRf-values
- cholesterin: 35 - 43
B) Steroid test
- methyltestosterone: 14 - 24
- Reichstein S: 28 - 38- hydrocortisone: 40 - 50
Typical value determined on an activated sheet (120°C, 15 min)
Eluent A) aceton/ water (95/5 v/v)
Eluent B) aceton/ water (60/40 v/v)
C) MS suitability test
- Angiotensin II (signal-to-noiseratio 50ng): ≥ 25
measured with 5000 shots
- Caffeine (signal-to-ratio 5ng): ≥25