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catalog #particle sizelengthidmodificationunits
9100331
3μm
30mm
1.0mm
 
ea.
9100351
3μm
50mm
1.0mm
 
ea.
9100311
3μm
100mm
1.0mm
 
ea.
9100361
3μm
150mm
1.0mm
 
ea.
9100332
3μm
30mm
2.1mm
 
ea.
9100352
3μm
50mm
2.1mm
 
ea.
9100312
3μm
100mm
2.1mm
 
ea.
9100362
3μm
150mm
2.1mm
 
ea.
9100333
3μm
30mm
3.2mm
 
ea.
9100353
3μm
50mm
3.2mm
 
ea.
9100313
3μm
100mm
3.2mm
 
ea.
9100363
3μm
150mm
3.2mm
 
ea.
9100335
3μm
30mm
4.6mm
 
ea.
9100355
3μm
50mm
4.6mm
 
ea.
9100315
3μm
100mm
4.6mm
 
ea.
9100365
3μm
150mm
4.6mm
 
ea.
9100332-700
3μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9100352-700
3μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9100312-700
3μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9100362-700
3μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9100333-700
3μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9100353-700
3μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9100313-700
3μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9100363-700
3μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9100335-700
3μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9100355-700
3μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9100315-700
3μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9100365-700
3μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9100531
5μm
30mm
1.0mm
 
ea.
9100551
5μm
50mm
1.0mm
 
ea.
9100511
5μm
100mm
1.0mm
 
ea.
9100561
5μm
150mm
1.0mm
 
ea.
9100521
5μm
200mm
1.0mm
 
ea.
9100571
5μm
250mm
4.6mm
 
ea.
9100532
5μm
30mm
2.1mm
 
ea.
9100552
5μm
50mm
2.1mm
 
ea.
9100512
5μm
100mm
2.1mm
 
ea.
9100562
5μm
150mm
2.1mm
 
ea.
9100522
5μm
200mm
2.1mm
 
ea.
9100572
5μm
250mm
2.1mm
 
ea.
9100533
5μm
30mm
3.2mm
 
ea.
9100553
5μm
50mm
3.2mm
 
ea.
9100513
5μm
100mm
3.2mm
 
ea.
9100563
5μm
150mm
3.2mm
 
ea.
9100523
5μm
200mm
3.2mm
 
ea.
9100573
5μm
250mm
3.2mm
 
ea.
9100535
5μm
30mm
4.6mm
 
ea.
9100555
5μm
50mm
4.6mm
 
ea.
9100515
5μm
100mm
4.6mm
 
ea.
9100565
5μm
150mm
4.6mm
 
ea.
9100525
5μm
200mm
4.6mm
 
ea.
9100575
5μm
250mm
4.6mm
 
ea.
9100532-700
5μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9100552-700
5μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9100512-700
5μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9100562-700
5μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9100522-700
5μm
200mm
2.1mm
with Trident Inlet Fitting
ea.
9100572-700
5μm
250mm
2.1mm
with Trident Inlet Fitting
ea.
9100533-700
5μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9100553-700
5μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9100513-700
5μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9100563-700
5μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9100523-700
5μm
200mm
3.2mm
with Trident Inlet Fitting
ea.
9100573-700
5μm
250mm
3.2mm
with Trident Inlet Fitting
ea.
9100535-700
5μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9100555-700
5μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9100515-700
5μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9100565-700
5μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9100525-700
5μm
200mm
4.6mm
with Trident Inlet Fitting
ea.
9100575-700
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.