Merck, 1.51022, TLC aluminum sheets, silica gel 60 F254 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 toBET; 5-Pt. measurement): 480 - 540 m²/g

Pore volume(N₂-isotherm):0.74 - 0.84 ml/g

d 50 (laserdiffraction, size distribution): 9.7 - 11.7 µm

Layerthickness: 80 - 120 µm

Deviationof layer thickness per plate: ≤ 30 µm

A) colour test

hRf-values

bleu viforganol, lipophile: 15 - 25

CeresBlack G, lipophile: 38 - 49

ceresViolet brn, lipophile: 53 – 65

Typical value determined on a conditioned sheet

Eluent: Toluene (45% rel. humidity)

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

Noise (TIC): Conforms