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catalog #particle sizelengthidmodificationunits
9103331
3μm
30mm
1.0mm
 
ea.
9103351
3μm
50mm
1.0mm
 
ea.
9103311
3μm
100mm
1.0mm
 
ea.
9103361
3μm
150mm
1.0mm
 
ea.
9103332
3μm
30mm
2.1mm
 
ea.
9103352
3μm
50mm
2.1mm
 
ea.
9103312
3μm
100mm
2.1mm
 
ea.
9103362
3μm
150mm
2.1mm
 
ea.
9103333
3μm
30mm
3.2mm
 
ea.
9103353
3μm
50mm
3.2mm
 
ea.
9103313
3μm
100mm
3.2mm
 
ea.
9103363
3μm
150mm
3.2mm
 
ea.
9103335
3μm
30mm
4.6mm
 
ea.
9103355
3μm
50mm
4.6mm
 
ea.
9103315
3μm
100mm
4.6mm
 
ea.
9103365
3μm
150mm
4.6mm
 
ea.
9103332-700
3μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9103352-700
3μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9103312-700
3μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9103362-700
3μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9103333-700
3μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9103353-700
3μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9103313-700
3μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9103363-700
3μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9103335-700
3μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9103355-700
3μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9103315-700
3μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9103365-700
3μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9103531
5μm
30mm
1.0mm
 
ea.
9103551
5μm
50mm
1.0mm
 
ea.
9103511
5μm
100mm
1.0mm
 
ea.
9103561
5μm
150mm
1.0mm
 
ea.
9103521
5μm
200mm
1.0mm
 
ea.
9103571
5μm
250mm
1.0mm
 
ea.
9103532
5μm
30mm
2.1mm
 
ea.
9103552
5μm
50mm
2.1mm
 
ea.
9103512
5μm
100mm
2.1mm
 
ea.
9103562
5μm
150mm
2.1mm
 
ea.
9103522
5μm
200mm
2.1mm
 
ea.
9103572
5μm
250mm
2.1mm
 
ea.
9103533
5μm
30mm
3.2mm
 
ea.
9103553
5μm
50mm
3.2mm
 
ea.
9103513
5μm
100mm
3.2mm
 
ea.
9103563
5μm
150mm
3.2mm
 
ea.
9103523
5μm
200mm
3.2mm
 
ea.
9103573
5μm
250mm
3.2mm
 
ea.
9103514
5μm
100mm
4.0mm
 
ea.
9103564
5μm
150mm
4.0mm
 
ea.
9103535
5μm
30mm
4.6mm
 
ea.
9103555
5μm
50mm
4.6mm
 
ea.
9103515
5μm
100mm
4.6mm
 
ea.
9103565
5μm
150mm
4.6mm
 
ea.
9103525
5μm
200mm
4.6mm
 
ea.
9103575
5μm
250mm
4.6mm
 
ea.
9103532-700
5μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9103552-700
5μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9103512-700
5μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9103562-700
5μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9103522-700
5μm
200mm
2.1mm
with Trident Inlet Fitting
ea.
9103572-700
5μm
250mm
2.1mm
with Trident Inlet Fitting
ea.
9103533-700
5μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9103553-700
5μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9103513-700
5μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9103563-700
5μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9103523-700
5μm
200mm
3.2mm
with Trident Inlet Fitting
ea.
9103573-700
5μm
250mm
3.2mm
with Trident Inlet Fitting
ea.
9103535-700
5μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9103555-700
5μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9103515-700
5μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9103565-700
5μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9103525-700
5μm
200mm
4.6mm
with Trident Inlet Fitting
ea.
9103575-700
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.