Pneumatic pulse dampener for liquid chromatography

✍ Scribed by Gupta, P. K. ;Nikelly, J. G.

• Publisher: John Wiley and Sons
• Year: 1985
• Tongue: English
• Weight: 312 KB
• Volume: 8
• Category: Article
• ISSN: 0935-6304
• DOI: 10.1002/jhrc.1240080404

✦ Synopsis

A simple pulse dampener is described for use with reciprocating pumps. The dampener may be assembled locally from readily available components and consists mainly of a small reservoir of compressed helium which acts as a cushion to dampen the mobile phase pulsations pneumatically. Depulsing is 99% complete and is uniform through a wide pressure range. The pneumatic dampener allows the use of single-piston reciprocating pumps in conjunction with highlyflow-sensitive detectors at their highest sensitivity settings.