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Description
Catalogue Number	105721
Replaces	5721-7; 5721
Overview	Our classical silica TLC plates are based on a combination of our proven silica gel 60 and the addition of a unique polymeric binder resulting in a very adherent and hard surface that will not crack or blister and even allow writing with a pensil on the surface without risk to damage the layer.

Product Information
HS Code	3822 19 00
Quality Level	MQ100

Safety Information according to GHS
Storage class	10 – 13 Other liquids and solids

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Specifications
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)	9.5 – 11.5 µm
Layer thickness	210 – 270 µm
Deviation of layer thickness per plate	≤ 35 µm
Chromatographic testing: colour test
hRf-values – bleu vif organol, colour test, lipophile	11 – 25
– Ceres Black G, colour test, lipophile	34 – 48
– ceres Violet brn, colour test, lipophile	52 – 67
separation number (colourtest, lipophile)	≥ 10.5
Typical value determined on a conditioned plate Eluent: toluene (45% rel. humidity)

Merck 105721 0001 Silica Gel 60 25 Tlc Plates 20 X 20 Cm (1 Adet).