PLT-5A / PLT-Q / PLT-AL2O3 Quadrex GC Capillary Columns

POROUS LAYER OPEN TUBULAR COLUMNS (PLOT):

  • PLT-5A, MOLECULAR SIEVE 5Å

  • PLT-Q, DIVINYLBENZENE CO-POLYMER

  • PLT-AL2O3,  ALUMINA/KCL

PLT-5A, MOLECULAR SIEVE 5Å

The analysis of permanent gases is an important application in the petrochemical industry. Quadrex offers the PLT-5A molecular sieve PLOT capillary column as a replacement for the traditional packed molecular sieve column. A capillary PLOT column offers the advantage of a faster turn-around time between analyses as well as the added benefit of faster regeneration of the adsorbent layer.

O2, N2, CO, and CH4 are typically separated in six minutes. In addition, the important O2/Ar separation can be achieved using this column at sub-ambient temperatures.

We use a proprietary process which insures column-to-column reproducibility and a unique binding agent which eliminates adsorbent layer degradation which can cause contamination of valves and detectors.

  • Reliable permanent gas analysis
  • Rugged layer of molecular sieve
  • Excellent thermal stability to regenerate adsorbent layer
  • Similar column types: GS-Molesieve, Rt-MSieve 5A, AT-Mole Sieve

PLT-5A Molecular Sieve 5Å columns are available in column I.D.’s and lengths noted below.

Specifications:

I.D. 30M. PLT-5A STANDARD FILM THICKNESS RANGE
0.53mm 25µm
Inquire with tech@quadrexcorp.com about custom lengths and films.
PLT-5A OPERATING TEMPERATURE RANGE
layer thickness temperature range
25µmicrom -50° C to 300° C

PLT-Q, DIVINYLBENZENE COPOLYMER

Quadrex offers a Q-type PLOT column coated with divinylbenzene copolymer which is ideal for the analysis of natural gas, refinery gas, amines, and sulfur gases.  The PLT-Q columns offer a maximum temperature of 290°C and are solvent rinsable.

  • Similar column types: GS-Q, HP-PLOT-Q, Rtx-Q, CP-PoroPLOT-Q

PLT-Q Divinylbenzene columns are available in column I.D.’s and lengths noted below.

Specifications:

I.D. 15M. 30M. PLT-Q STANDARD FILM THICKNESS RANGE
0.32mm 15µm
0.53mm 30µm
Inquire with tech@quadrexcorp.com about custom lengths and films.

PLT-AL2O3, ALUMINA/KCL

Quadrex offers a AL2O3 PLOT column which is ideal for the analysis of C1 to C5 hydrocarbons.  The PLT-AL2O3 columns offer a maximum temperature of 200°C and are rinsable with methanol or water.

  • Similar column types: HP-PLOT-AL2O3, Rt-Alumina BOND, CP-AL2O3

PLT-AL2O3 Alumina columns are available in column I.D.’s and lengths noted below.

Specifications:

I.D. 15M. 30M. 50M. 60M. PLT-AL2O3 STANDARD FILM THICKNESS RANGE
0.32mm 8µm
0.53mm 15µm
Inquire with tech@quadrexcorp.com about custom lengths and films.

Hot Tip HOT TIP:

DON’T SEE A LENGTH OR FILM THICKNESS THAT YOU REQUIRE?

CONTACT US – WE DO CUSTOM CONFIGURATIONS ALL THE TIME!

DID YOU KNOW? MOISTURE CONTAMINATION WILL ALTER THE ELUTION TIMES ON MOLECULAR SIEVE COLUMNS. THESE COLUMNS CAN BE EASILY REGENERATED BY HEATING TO 300° TO REMOVE MOISTURE AND RESTORE PROPER ELUTION TIMES.

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