Merck, 1510150001, TLC aluminum sheets, silica gel 60 RP-18 F254s MS-grade

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) Biggest single peak area (BPC) ≤ area of 20ng Resorcin: Conforms

Noise (TIC): Conforms