Maximum Operating Pressures –
Columns up to 9.4 mm id
Column type Particle size Pressure limit
InfinityLab Poroshell 120,
InfinityLab Poroshell HPH
1.9 µm 1300 bar
(19500 psi)
InfinityLab Poroshell 120,
InfinityLab Poroshell HPH
2.7 µm, 4 µm 600 bar
(9000 psi)
ZORBAX Rapid Resolution High
Definition (RRHD)
1.8 µm 1300 bar
(19500 psi)
ZORBAX Rapid Resolution High
Throughput (RRHT)
1.8 µm 600 bar
(9000 psi)
All other ZORBAX, Rx, Pursuit,
Polaris, HC, TC, Microsorb,
Metasil, Monochrom, Hypersil,
OmniSpher, MicroSpher
3.0 µm, 3.5 µm,
5 µm, 10 µm
400 bar
(6000 psi)
Mobile Phase Selection and Operating Temperatures
The bonded stationary phase is nonpolar in nature and is best used with
polar mobile phases such as methanol/water or acetonitrile/water
mixtures. Increasing the amount of organic component typically reduces
the retention time of the sample.