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Degassers

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Degassing

Mechanism of degasser degassing

Online degassing efficiently removes dissolved gases from the fluid stream and thereby prevents bubble formation, reduces noise, improves baseline stability, reduces startup times and ensures more consistent results. This is very important in laboratory analysis equipment such as liquid chromatography, HPLC, UHPLC, ion chromatography and mass spectrometry. Machines for semi-conductor manufacturing or assembly, and instruments for immunology, hematology and in vitro diagnostics will also typically deliver more consistent results with a degasser included in the fluid path.

Rubicon Science can offer degassers from both Knauer and DEGASi, that degass a wide range of aqueous and organic fluids, from < 0.5 ml/min up to 1000 ml/min.

Knauer Degassers

AZURA 2-Channel Degasser
AZURA 2-Channel Degasser

AZURA Degasser DG 2.1S, Biocompatible 2-channel degasser.

Dissolved gases in the solvent can cause bubbles in the flow path of pumps and detectors. Reliable chromatographic separation therefore requires degassing of the solvent. The small analytical 2-channel degasser DG 2.1S is equipped with two degassing chambers and can thus degas two solvents simultaneously.

Maximum flow rate per channel is 10 ml/min with the recommended flow rate per channel being 2.8 ml/min.

Smartline Semi-Prep 2-channel degasser
Smartline Semi-Prep 2-channel degasser

Smartline Semi-Preparative 2-Channel Degasser

The 2-channel degasser module provides outstanding performance through its use of a newly developed micro vacuum pump while taking up only a minimum of space. The gas diffusion rate has been improved by a factor of 200 – 300 times, thanks to a new amorphous fluoropolymer rather than a regular Teflon membrane. Excellent chemical and physical stability parameters, as well as the reduction of the internal chamber volume to less than 6 ml are convincing features. The semi-preparative KNAUER online degasser module can be used for flow rates of up to 30 ml/min per channel.

DEGASi Degassers

DEGASi Classic Degasser
DEGASi Classic Degasser

DEGASi® PLUS Classic Degasser

With the highly permeable Systec AF™ membrane, an internal degasser chamber volume of only 480 μl is sufficient to give you excellent
degassing efficiency up to flow rates of approximately 3 ml/min. The time the liquid spends inside the vacuum chamber is correlated to the degassing efficiency, so with higher flow rate the degassing efficiency will be lowered. In many cases the 480 μl vacuum chamber can be used at 5 ml/min with sufficient  degassing.

DEGASi GPC Degasser
DEGASi GPC Degasser

DEGASi® PLUS GPC Degasser

DEGASi PLUS GPC is ideal if you are working with 100 % organic solvents in your fluidic line. Example of application areas for this degasser include GPC (Gel Permeation Chromatography) and Normal Phase Chromatography. This degasser provides excellent degassing efficiency up to flow rates of approximately 3 ml/min, with degassing efficiency at 5 ml/min being sufficient in many cases.

DEGASi Semi-Prep Degasser
DEGASi Semi-Prep Degasser

DEGASi® PLUS Semi-prep degasser

When working with higher flow rates, up to 6 ml/min, we strongly recommend DEGASi SEMI-PREP equipped with 925 µl degassing chambers. These chambers can be used up to 10 ml/min but with a slightly lower degassing efficiency.

DEGASi Micro Degasser
DEGASi Micro Degasser

DEGASi® PLUS MICRO degasser

The DEGASi MICRO is the number one choice of degasser for small volumes. With only 100 µl internal volume you minimize the internal volume while still keeping excellent degassing efficiency up to approximately 0.5 ml/min.

DEGASi Compact Degasser

DEGASi® PLUS Compact Degasser

The DEGASi MICRO is the number one choice of degasser for small volumes. With only 100 µl internal volume you minimize the internal volume while still keeping excellent degassing efficiency up to approximately 0.5 ml/min.

DEGASi High-Flow Degasser 1000
DEGASi High-Flow Degasser 1000

DEGASi® HIGH FLOW 1000

DEGASi HIGH FLOW Degasser enables efficient degassing of many types of liquids at high flow rates, up to 1000ml/min.

Applications include:

  • Clinical chemistry analysers
  • Dispensing applications
  • Dissolution testing
  • Process applications
  • High-throughput applications
  • Ink degassing (Waterbased Ink)
DEGASi Prep for Organic Solvents
DEGASi Prep for Organic Solvents

DEGASi® PREP+ for Organic Solvents

An in-line, membrane degasser ready to use with aggressive media and organic solvents, while maintaining flow-rates up to 75 ml/min per channel. Comes with 1-4 channels.

Applications include:

  • Preparative HPLC
  • Flash Chromatography
  • High-throughput applications
  • Clinical Chemistry Analysers
  • Dispensing Applications
  • Ink Degassing