Chromolith® Si HPLC Columns

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Optimum Separation of Polar Non-ionic Organic Compounds

Chromolith® Si HPLC columnsChromolith® Si HPLC columns are optimized for normal-phase separations of polar non-ionic organic compounds. In addition, they offer all the benefits of monolithic silica technology: high throughput, extremely long column lifetime, lower matrix sensitivity and added column performance through column coupling. Based on high-purity silica, Chromolith® Si columns minimize the negative effects of trace metals.

Features and Benefits

  • Optimum separations of polar non-ionic organic compounds
  • High throughput at high flow rates with the best overall column quality
  • Possibility of flow gradients
  • Added column performance by column coupling
  • Rigid monolithic structure for a longer column lifetime
  • Lower matrix sensitivity

Specifications

Silica type High-purity
Particle size Monolithic
Macropore size 2 μm
Mesopore size 13 nm (130 Å)
Pore volume 1.0 mL/g
Total porosity > 80%
Surface area 300 m2/g

Chromolith® Performance RP-18e

Column Chromolith® Performance Si
100-4.6 mm
Chromolith® Performance Si 100-4.6 mm
Mobile phase n-Heptane/Dioxane
95/5 v/v 
 
Flow rate 2 mL/min
Pressure 14 bar
Detection 254 nm
Temperature Ambient
Injection volume 5 μl
Sample

1.Anisole
2. 3-Nitroanisole
3. 4-Nitroanisole
4. 2-Nitroanisole

0.39 mg/mL
0.07 mg/mL
0.26 mg/mL
0.18 mg/mL

Column Chromolith® Performance Si
100-4.6 mm
Chromolith® Performance Si 100-4.6 mm
Mobile phase n-Heptane/Dioxane
95/5 v/v 
 
Flow rate 2 mL/min
Pressure 14 bar
Detection 254 nm
Temperature Ambient
Injection volume 10 μl
Sample

1. Toluene
2. Nitrobenzene
3. 2,3-Dimethyl-
anthraquinone
4. 2-Nitroace
tanilide

0.16 mg/mL
0.02 mg/mL
0.02 mg/mL

0.10 mg/mL

 
 
 
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