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catalog #particle sizelengthidmodificationunits
9213331
3μm
30mm
1.0mm
 
ea.
9213351
3μm
50mm
1.0mm
 
ea.
9213311
3μm
100mm
1.0mm
 
ea.
9213361
3μm
150mm
1.0mm
 
ea.
9213332
3μm
30mm
2.1mm
 
ea.
9213352
3μm
50mm
2.1mm
 
ea.
9213312
3μm
100mm
2.1mm
 
ea.
9213362
3μm
150mm
2.1mm
 
ea.
9213333
3μm
30mm
3.2mm
 
ea.
9213353
3μm
50mm
3.2mm
 
ea.
9213313
3μm
100mm
3.2mm
 
ea.
9213363
3μm
150mm
3.2mm
 
ea.
9213335
3μm
30mm
4.6mm
 
ea.
9213355
3μm
50mm
4.6mm
 
ea.
9213315
3μm
100mm
4.6mm
 
ea.
9213365
3μm
150mm
4.6mm
 
ea.
9213332-700
3μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9213352-700
3μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9213312-700
3μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9213362-700
3μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9213333-700
3μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9213353-700
3μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9213313-700
3μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9213363-700
3μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9213335-700
3μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9213355-700
3μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9213315-700
3μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9213365-700
3μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9213531
5μm
30mm
1.0mm
 
ea.
9213551
5μm
50mm
1.0mm
 
ea.
9213511
5μm
100mm
1.0mm
 
ea.
9213561
5μm
150mm
1.0mm
 
ea.
9213521
5μm
200mm
1.0mm
 
ea.
9213571
5μm
250mm
1.0mm
 
ea.
9213532
5μm
30mm
2.1mm
 
ea.
9213552
5μm
50mm
2.1mm
 
ea.
9213512
5μm
100mm
2.1mm
 
ea.
9213562
5μm
150mm
2.1mm
 
ea.
9213522
5μm
200mm
2.1mm
 
ea.
9213572
5μm
250mm
2.1mm
 
ea.
9213533
5μm
30mm
3.2mm
 
ea.
9213553
5μm
50mm
3.2mm
 
ea.
9213513
5μm
100mm
3.2mm
 
ea.
9213563
5μm
150mm
3.2mm
 
ea.
9213523
5μm
200mm
3.2mm
 
ea.
9213573
5μm
250mm
3.2mm
 
ea.
9213514
5μm
100mm
4.0mm
 
ea.
9213564
5μm
150mm
4.0mm
 
ea.
9213535
5μm
30mm
4.6mm
 
ea.
9213555
5μm
50mm
4.6mm
 
ea.
9213515
5μm
100mm
4.6mm
 
ea.
9213565
5μm
150mm
4.6mm
 
ea.
9213525
5μm
200mm
4.6mm
 
ea.
9213575
5μm
250mm
4.6mm
 
ea.
9213532-700
5μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9213552-700
5μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9213512-700
5μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9213562-700
5μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9213522-700
5μm
200mm
2.1mm
with Trident Inlet Fitting
ea.
9213572-700
5μm
250mm
2.1mm
with Trident Inlet Fitting
ea.
9213533-700
5μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9213553-700
5μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9213513-700
5μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9213563-700
5μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9213523-700
5μm
200mm
3.2mm
with Trident Inlet Fitting
ea.
9213573-700
5μm
250mm
3.2mm
with Trident Inlet Fitting
ea.
9213535-700
5μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9213555-700
5μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9213515-700
5μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9213565-700
5μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9213525-700
5μm
200mm
4.6mm
with Trident Inlet Fitting
ea.
9213575-700
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.