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catalog #particle sizelengthidmodificationunits
9101331
3μm
30mm
1.0mm
 
ea.
9101351
3μm
50mm
1.0mm
 
ea.
9101311
3μm
100mm
1.0mm
 
ea.
9101361
3μm
150mm
1.0mm
 
ea.
9101332
3μm
30mm
2.1mm
 
ea.
9101352
3μm
50mm
2.1mm
 
ea.
9101312
3μm
100mm
2.1mm
 
ea.
9101362
3μm
150mm
2.1mm
 
ea.
9101333
3μm
30mm
3.2mm
 
ea.
9101353
3μm
50mm
3.2mm
 
ea.
9101313
3μm
100mm
3.2mm
 
ea.
9101363
3μm
150mm
3.2mm
 
ea.
9101335
3μm
30mm
4.6mm
 
ea.
9101355
3μm
50mm
4.6mm
 
ea.
9101315
3μm
100mm
4.6mm
 
ea.
9101365
3μm
150mm
4.6mm
 
ea.
9101332-700
3μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9101352-700
3μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9101312-700
3μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9101362-700
3μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9101333-700
3μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9101353-700
3μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9101313-700
3μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9101363-700
3μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9101335-700
3μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9101355-700
3μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9101315-700
3μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9101365-700
3μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9101531
5μm
30mm
1.0mm
 
ea.
9101551
5μm
50mm
1.0mm
 
ea.
9101511
5μm
100mm
1.0mm
 
ea.
9101561
5μm
150mm
1.0mm
 
ea.
9101521
5μm
200mm
1.0mm
 
ea.
9101571
5μm
250mm
1.0mm
 
ea.
9101532
5μm
30mm
2.1mm
 
ea.
9101552
5μm
50mm
2.1mm
 
ea.
9101512
5μm
100mm
2.1mm
 
ea.
9101562
5μm
150mm
2.1mm
 
ea.
9101522
5μm
200mm
2.1mm
 
ea.
9101572
5μm
250mm
2.1mm
 
ea.
9101533
5μm
30mm
3.2mm
 
ea.
9101553
5μm
50mm
3.2mm
 
ea.
9101513
5μm
100mm
3.2mm
 
ea.
9101563
5μm
150mm
3.2mm
 
ea.
9101523
5μm
200mm
3.2mm
 
ea.
9101573
5μm
250mm
3.2mm
 
ea.
9101535
5μm
30mm
4.6mm
 
ea.
9101555
5μm
50mm
4.6mm
 
ea.
9101515
5μm
100mm
4.6mm
 
ea.
9101565
5μm
150mm
4.6mm
 
ea.
9101525
5μm
200mm
4.6mm
 
ea.
9101575
5μm
250mm
4.6mm
 
ea.
9101532-700
5μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9101552-700
5μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9101512-700
5μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9101562-700
5μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9101522-700
5μm
200mm
2.1mm
with Trident Inlet Fitting
ea.
9101572-700
5μm
250mm
2.1mm
with Trident Inlet Fitting
ea.
9101533-700
5μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9101553-700
5μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9101513-700
5μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9101563-700
5μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9101523-700
5μm
200mm
3.2mm
with Trident Inlet Fitting
ea.
9101573-700
5μm
250mm
3.2mm
with Trident Inlet Fitting
ea.
9101535-700
5μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9101555-700
5μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9101515-700
5μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9101565-700
5μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9101525-700
5μm
200mm
4.6mm
with Trident Inlet Fitting
ea.
9101575-700
5μm
250mm
4.6mm
with Trident Inlet Fitting
ea.

Application-dedicated HPLC columns have longer lifetimes

Prolong the useful lifetimes of your HPLC columns by dedicating specific columns to specific applications, like analysts who use ion pair reagents often do. Sample components, mobile phase conditions, etc. can cause changes within a column, and sometimes effects of these changes are negligible until the column is used in another application. Although this practice can involve using more columns at one time, and calls for careful bookkeeping, longer lifetimes for individual columns can amount to significant savings.

Avoid the Void Volume

A speedy analysis is important, but avoid the temptation to elute important sample components near the void volume of your column. When you ignore this guideline, you are locked into using the mobile phase as the sample solvent; any admixing of sample solvent and mobile phase causes a baseline disturbance that makes quantification highly unreliable. Also, it is highly likely that the peak at the void volume will soar off-scale. You will avoid these and other potential problems by adjusting conditions such that the first target compound elutes with a capacity factor (k′) of at least 2.0.