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catalog #particle sizelengthidmodificationunits
9413232
1.9μm
30mm
2.1mm
 
ea.
9413252
1.9μm
50mm
2.1mm
 
ea.
9413212
1.9μm
100mm
2.1mm
 
ea.
9413331
3μm
30mm
1.0mm
 
ea.
9413351
3μm
50mm
1.0mm
 
ea.
9413311
3μm
100mm
1.0mm
 
ea.
9413332
3μm
30mm
2.1mm
 
ea.
9413352
3μm
50mm
2.1mm
 
ea.
9413312
3μm
100mm
2.1mm
 
ea.
9413333
3μm
30mm
3.2mm
 
ea.
9413353
3μm
50mm
3.2mm
 
ea.
9413313
3μm
100mm
3.2mm
 
ea.
9413335
3μm
30mm
4.6mm
 
ea.
9413355
3μm
50mm
4.6mm
 
ea.
9413315
3μm
100mm
4.6mm
 
ea.
9413332-700
3μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9413352-700
3μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9413312-700
3μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9413333-700
3μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9413353-700
3μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9413313-700
3μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9413315-700
3μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9413355-700
3μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9413335-700
3μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9413531
5μm
30mm
1.0mm
 
ea.
9413551
5μm
50mm
1.0mm
 
ea.
9413511
5μm
100mm
1.0mm
 
ea.
9413561
5μm
150mm
1.0mm
 
ea.
9413521
5μm
200mm
1.0mm
 
ea.
9413571
5μm
250mm
1.0mm
 
ea.
9413532
5μm
30mm
2.1mm
 
ea.
9413552
5μm
50mm
2.1mm
 
ea.
9413512
5μm
100mm
2.1mm
 
ea.
9413562
5μm
150mm
2.1mm
 
ea.
9413522
5μm
200mm
2.1mm
 
ea.
9413572
5μm
250mm
2.1mm
 
ea.
9413533
5μm
30mm
3.2mm
 
ea.
9413553
5μm
50mm
3.2mm
 
ea.
9413513
5μm
100mm
3.2mm
 
ea.
9413563
5μm
150mm
3.2mm
 
ea.
9413523
5μm
200mm
3.2mm
 
ea.
9413573
5μm
250mm
3.2mm
 
ea.
9413535
5μm
30mm
4.6mm
 
ea.
9413555
5μm
50mm
4.6mm
 
ea.
9413515
5μm
100mm
4.6mm
 
ea.
9413565
5μm
150mm
4.6mm
 
ea.
9413525
5μm
200mm
4.6mm
 
ea.
9413575
5μm
250mm
4.6mm
 
ea.
9413532-700
5μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9413552-700
5μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9413512-700
5μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9413562-700
5μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9413522-700
5μm
200mm
2.1mm
with Trident Inlet Fitting
ea.
9413572-700
5μm
250mm
2.1mm
with Trident Inlet Fitting
ea.
9413533-700
5μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9413553-700
5μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9413513-700
5μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9413563-700
5μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9413523-700
5μm
200mm
3.2mm
with Trident Inlet Fitting
ea.
9413573-700
5μm
250mm
3.2mm
with Trident Inlet Fitting
ea.
9413535-700
5μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9413555-700
5μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9413515-700
5μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9413565-700
5μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9413525-700
5μm
200mm
4.6mm
with Trident Inlet Fitting
ea.
9413575-700
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.