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BEKOlut® Flash Columns

Flash chromatography is a widely used separation method for preparative purposes in organic chemical laboratories. It can be carried out manually with little equipment or automatically. For separations in normal or reversed phase mode, irregular sorbents with a suitable particle size distribution or more efficient spherical sorbents with particle sizes around 30 µm are suitable.

BEKOlut® now offers an extensive range of flash cartridges for the different systems. These include, for example:

  • ISCO Companion® and other Teledyne ISCO CombiFlash® systems
  • Biotage® Isolera™, Biotage® FlashMaster™, Büchi
  • Yamazen Smart Flash, Interchim® puriFlash® systems
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ADVANTAGES OF BEKOlut® FLASH COLUMNS

01

The cartridge housing is made of proven polypropylene and can withstand pressures up to 350 psi (24 bar)

02

Different cartridge sizes are available for scaling from milligram to gram

03

Wide range of different normal and reversed phases available

04

Efficient spherical sorbents for fast separations and high loading capacity

As materials, irregular and spherical sorbents are available: BEKOlut® silica gel 40-60 μm, BEKOlut® silica gel 30 μm and spherical reversed phase BEKOlut® C18e 50 μm as well as spherical BEKOlut® C18e 30 µm are available. Other sorbents are available on request.

Cartridge type Flow rate (mL/min) Max. pressure (bar/psi)
LF4 10 – 50 24/350
LF12 25 – 70 24/350
LF25 25 – 70 24/350
LF40 35 – 80 24/350
LF80 45 – 105 24/350
LF120 55 – 155 24/350
LF220 75 – 225 13.8/200
LF330 75 – 225 13.8/200

BEKOlut® SILICA GEL FLASH CARTRIDGES

The normal phase separations of organic compounds from synthesis approaches are the main application. BEKOlut® Flash Silica Gel is available in two particle size distributions. The 30 µm sorbent has a narrow particle size distribution and high purity in terms of metal ion traces. The fine fraction is minimal, so that a uniform and high flow rate is ensured. Resolution and peak shape are extremely good for most applications – combined with an outstanding price/performance ratio. The irregular silica gel with a particle size distribution ist he standard for most applications.

  • Phase specification: Irregular silica gel

  • Particle size: 40-60 μm

  • Specific surface area: 500 m²/g

  • Pore size: 60 Angstrom

  • pH of the surface: 6-8

BEKOlut irregualr silica gel (40-60 µm)
Cartridge type Sorbens weight (g) Capacity Article number
103 4 4 mg – 0 B01 – F004
121 12 12 mg – 1 B01 – F012
171 25 25 mg – 2 B01 – F025
169 40 40 mg – 4 B01 – F040
241 80 80 mg – 8 g B01 – F080
261 120 120 mg – 12 g B01 – F120
212 220 220 mg – 22 g B01 – F220
274 330 330 mg – 33 g B01 – F330

  • Phase specification: Spherical silica gel

  • Particle size: 30 µm

  • Specific surface area: 320m²/g

  • Pore size: 100 Angstrom

  • pH of the surface: 6-8

BEKOlut spherical silica gel (30 µm)
Cartridge type Sorbens weight (g) Capacity Article number
103 4 4 mg – 0 B08 – F004
121 12 12 mg – 1 B08 – F012
171 25 25 mg – 2 B08 – F025
169 40 40 mg – 4 B08 – F040
241 80 80 mg – 8 g B08 – F080
261 120 120 mg – 12 g B08 – F120
212 220 220 mg – 22 g B08 – F220
274 330 330 mg – 33 g B08 – F330

BEKOlut® C18e FLASH CARTRIDGES

BEKOlut C18e Flash cartridges, as hydrophobically modified silica gel, are the phase of choice when it comes to the purification of polar and hydrophilic compounds that are too strongly or even irreversibly retained on silica gel. The BEKOlut C18e phase is also recommended for strongly hydrophobic compounds that are not retained on silica gel. Aqueous-organic mobile phases are generally used here. Reversed phase materials offer an alternative to silica-gel packed columns for a variety of compounds. Excellent sorbent quality and reproducibility are key features of C18e flash cartridges.

  • Phase specification: 30 µm spherical, end-capped C18e modified silica gel

  • Specific surface area: 500 m²/g

  • Pore size: 60 Angstrom

  • Carbon content (%): 19-21

BEKOlut C18e spherical 30 µm
Cartridge type Sorbens weight (g) Capacity Article number
103 5 6  – 108 mg B03 – F004
121 15 20 – 400 mg B03 – F012
171 30 33 – 660 mg B03 – F025
169 50 48 – 960 mg B03 – F040
241 100 105 mg – 2,1 g B03 – F080
261 150 155 mg – 3.1 g B03 – F120
212 260 300 mg – 6,0 g B03 – F220
274 400 420 mg – 8,4 g B03 – F330

  • Phase specification: 50 µm spherical, end-capped C18e modified silica gel

  • Specific surface area: 320m²/g

  • Pore size: 100 Angstrom

  • Carbon content (%): 17-19

BEKOlut C18e spherical 50 µm
Cartridge type Sorbens weight (g) Capacity Article number
103 5 6 – 108 mg B02 – F004
121 15 20 – 400 mg B02 – F012
171 30 33 – 660 mg B02 – F025
169 50 48 – 960 mg B02 – F040
241 100 105 mg – 2,1 g B02 – F080
261 150 155 mg – 3.1 g B02 – F120
212 260 300 mg – 6,0 g B02 – F220
274 400 420 mg – 8,4 g B02 – F330