Maximum operating pressures—columns up to 9.4 mm id
Column type Particle size Pressure limit
Poroshell 120 1.9 µm
2.7 μm, 4 μm
1300 bar (19,500 psi)
600 bar (9000 psi)
Poroshell 300 5 μm 400 bar (6000 psi)
ZORBAX Rapid Resolution 3.5 µm 400 bar (6000 psi)
ZORBAX Rapid Resolution High
Throughput (RRHT)
1.8 μm 600 bar (9000 psi)
ZORBAX Rapid Resolution High
Denition (RRHD)
1.8 μm 1200 bar (17,000 psi)
All ZORBAX, Pursuit, and Polaris
columns, not noted as RRHT or
RRHD, and HC-C18(2), TC-C18(2)
3.0 μm, 3.5 μm,
5 μm
400 bar (6000 psi)
200 bar (3000 psi)
(Metaguards)
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.
ENGLISH
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