Silica adsorbents for TLC
Features

	pore size 60 Å, pore volume 0.75 ml/g, specific surface (BET) ~ 500 m2/g, pH of a 10 % aqueous suspension 7.0
	Silica G standard grade, particle size 2 – 20 μm, Fe < 0.02 %, Cl < 0.02 %, 13 % gypsum as binder, supplied with or without fluorescence indicator UV254
	Silica N standard grade, particle size 2 – 20 μm, Fe < 0.02 %, Cl < 0.02 %, no binder, supplied with or without fluorescence indicator UV254
	Silica G-HR high purity grade, particle size 3 – 20 μm, Fe < 0.002 %, Cl < 0.008 %, gypsum as binder, supplied without fluorescence indicator
	Silica P preparative grade, particle size 5 – 50 μm, Fe < 0.02 %, Cl < 0.02 %, organic binder, supplied with fluorescence indicator UV254
	Silica P with gypsum preparative grade, particle size 5 – 50 μm, Fe < 0.02 %, Cl < 0.02 %, gypsum as binder, supplied with fluorescence indicator UV254

Ordering information

Designation	Fluorescent indicator	1 kg	5 kg
Silica G	–	816310.1	816310.5
Silica G/UV254	UV254	816320.1	816320.5
Silica N	–	816330.1	816330.5
Silica N/UV254	UV254	816340.1	816340.5
Silica G-HR	–	816410.1	816410.5
Silica P/UV254	UV254	816380.1	816380.5
Silica P/UV254 with gypsum	UV254	816400.1	816400.5