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The Agilent 1260 Infinity HPLC G4225A high performance degasser is comprised of four separate vacuum chambers with semipermeable tubings, a vacuum pump and control assembly. When the vacuum degasser is switched on, the control assembly turns on the vacuum pump, which generates a low pressure in the vacuum chambers. The pressure is measured by a pressure sensor. The vacuum degasser maintains the low pressure by a controlled leak in the air inlet filter and a regulation of the vacuum pump using the pressure sensor. The LC pump draws the solvents from their bottles through the semipermeable tubes of the vacuum chambers. When solvents pass through the vacuum chambers any dissolved gas in the solvents permeates through the tubings into the vacuum chambers. The solvents will be degassed when leaving the outlets of the vacuum degasser.
Number of solvent channels: 4
Flow range: 0 – 10 mL/min per channel
Internal volume per channel: 0.45 mL per channel
Materials in contact with solvent: TFE/PDD Copolymer, FEP, PEEK
pH range: 1 – 14
Our used lab equipment is fully refurbished, guaranteed to work up to manufacturers specifications and are delivered to our customers in as close to new condition as possible. Typical turnaround for refurbishing of used lab equipment is 2-4 weeks. They also come with our standard 6 Month parts and labor warranty. Prices do not include S/H unless otherwise indicated. Pictures enclosed and the actual unit may vary unless specified.