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Marketplace
Analytics
Supplier
LabMakelaar Benelux B.V.
Location
Zevenhuizen - Netherlands
Price
€2,000.00 
(ex. VAT)
This item is
for sale
State of item
used
Categories

Knauer 2 Channel Semi Preparative Online Degasser

LabMakelaar Benelux B.V.€2,000.00 (ex VAT)
item image

Description by the supplier

The KNAUER Online Degasser is a 2-channel for semi-preparative flow rates up to 50 ml/min. The degassing membrane is an innovative Teflon AF fluoropolymer which is more than 200x more gas permeable than regular Teflon and has excellent physical and chemical stability characteristics. Its high efficiency also allows for reduced internal chamber volumes– less than 7.7 ml per channel. For isocratic HPLC applications the 2 chambers of the semi-prep degasser can be connected in series for maximum degassing efficiency. For gradient applications, up to 2 eluents can be degassed simultaneously. For special applications, one degasser can also be used for multiple HPLC systems. The low dead volume makes reconditioning fast and minimizes solvent waste.

Extremely low chamber volumes.


Broad chemical compatibility is perfect for use in general HPLC applications

Zero hysteresis even at higher flow rates

No need to replace check valves or other parts even when under continuous operation

Prevents air bubble spikes in the chromatogram

Minimizes retention time fluctuations

Minimizes gradient reproducibility problems

Minimizes unwanted formation of chromophores which can disturb UV detection

Minimizes unwanted oxidation or reduction which can disturb electrochemical detection

Minimizes fluorescence quenching


Technical Data:

Dimensions: 85 x 165 x 315 mm (W x H x D)

Weight: 2.5 kg

Power Supply: 85 – 265 V, 47 – 63 Hz, 20 W

Max. Flow Rate: up to 50 ml/min

Number of Channels: 2

Degassing Method: gas permeation through Teflon AF amorphous fluoropolymer membrane

Degassing Efficiency: < 0.5 ppm residual dissolved O2 at 1 ml/min

Dead Volume: 7.7 ml

Solvent Applicability: universal, except hydrochloric acid and halogenated hydrocarbons especially hexafluoro isopropanol (HFIP)

Wetted Materials: PEEK, Tefzel, Teflon AF

Vacuum Chamber: polypropylene and stainless steel

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