Agilent Technologies / Agilent-Molesieve

Agilent-Molesieve

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Molecular sieves (Molsieves) are synthetic or natural zeolites or other materials which have a high adsorption capacity for gases and solutes with certain molecular sizes (for example aluminosilicates). These can be used as stationary phases for gas chromatography. The selectivity depends on the pore size of the molecular sieve. Molsieve GC columns are available as capillary columns (PLOT columns) or as packed columns.

Application areas are for example the analysis of permanent gases.

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Technical Data

PLOT Columns:

Agilent CP-Molsieve 5Å:

Separate argon and oxygen at ambient temperature to reduce costs
High efficiency, symmetrical peaks

Agilent HP-PLOT-Molesieve:

A PLOT column for the analysis of permanent gases
O₂, N₂, CO and CH₄ resolve in less than 5 min
Durable molecular sieve 5Å coating minimizes baseline spiking and damage to multiport valves
Select a thick film for Ar/O₂ separation without cryogenic cooling

Column name

Phase

Polarity

USP

Diameter

Film thickness

Tmax

Agilent HP-PLOT Molesieve

5Å Molecular sieve

N/A

0.32 mm

0.53 mm

12.0, 25.0 µm

25.0, 50.0 µm

300 °C

Agilent CP-Molsieve 5Å

5Å Molecular sieve

N/A

0.25 mm

0.32 mm

0.53 mm

30.0 µm

10.0, 30.0 µm

15.0, 50.0 µm

350 °C

Packed columns:

Column name

Phase

Polarity

USP

Diameter

Mesh

Tmax

MolSieve 5Å

N/A

1.0, 2.0, 2.1, 4.0 mm

45/60

60/80

80/100

100/120

N/A

MolSieve 13X

N/A

1.0, 2.0 mm