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catalog #particle sizelengthidmodificationunits
917435B
3μm
50mm
0.3mm
Capillary Column
ea.
917436B
3μm
150mm
0.3mm
Capillary Column
ea.
9174331
3μm
30mm
1.0mm
 
ea.
9174351
3μm
50mm
1.0mm
 
ea.
9174311
3μm
100mm
1.0mm
 
ea.
9174361
3μm
150mm
1.0mm
 
ea.
9174332
3μm
30mm
2.1mm
 
ea.
9174352
3μm
50mm
2.1mm
 
ea.
9174312
3μm
100mm
2.1mm
 
ea.
9174362
3μm
150mm
2.1mm
 
ea.
9174333
3μm
30mm
3.2mm
 
ea.
9174353
3μm
50mm
3.2mm
 
ea.
9174313
3μm
100mm
3.2mm
 
ea.
9174363
3μm
150mm
3.2mm
 
ea.
9174335
3μm
30mm
4.6mm
 
ea.
9174355
3μm
50mm
4.6mm
 
ea.
9174315
3μm
100mm
4.6mm
 
ea.
9174365
3μm
150mm
4.6mm
 
ea.
9174332-700
3μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9174352-700
3μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9174312-700
3μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9174362-700
3μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9174333-700
3μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9174353-700
3μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9174313-700
3μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9174363-700
3μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9174335-700
3μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9174355-700
3μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9174315-700
3μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9174365-700
3μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9174531
5μm
30mm
1.0mm
 
ea.
9174551
5μm
50mm
1.0mm
 
ea.
9174511
5μm
100mm
1.0mm
 
ea.
9174561
5μm
150mm
1.0mm
 
ea.
9174521
5μm
200mm
1.0mm
 
ea.
9174571
5μm
250mm
1.0mm
 
ea.
9174532
5μm
30mm
2.1mm
 
ea.
9174552
5μm
50mm
2.1mm
 
ea.
9174512
5μm
100mm
2.1mm
 
ea.
9174562
5μm
150mm
2.1mm
 
ea.
9174522
5μm
200mm
2.1mm
 
ea.
9174572
5μm
250mm
2.1mm
 
ea.
9174533
5μm
30mm
3.2mm
 
ea.
9174553
5μm
50mm
3.2mm
 
ea.
9174513
5μm
100mm
3.2mm
 
ea.
9174563
5μm
150mm
3.2mm
 
ea.
9174523
5μm
200mm
3.2mm
 
ea.
9174573
5μm
250mm
3.2mm
 
ea.
9174514
5μm
100mm
4.0mm
 
ea.
9174564
5μm
150mm
4.0mm
 
ea.
9174535
5μm
30mm
4.6mm
 
ea.
9174555
5μm
50mm
4.6mm
 
ea.
9174515
5μm
100mm
4.6mm
 
ea.
9174565
5μm
150mm
4.6mm
 
ea.
9174525
5μm
200mm
4.6mm
 
ea.
9174575
5μm
250mm
4.6mm
 
ea.
9174532-700
5μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9174552-700
5μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9174512-700
5μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9174562-700
5μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9174522-700
5μm
200mm
2.1mm
with Trident Inlet Fitting
ea.
9174572-700
5μm
250mm
2.1mm
with Trident Inlet Fitting
ea.
9174533-700
5μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9174553-700
5μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9174513-700
5μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9174563-700
5μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9174523-700
5μm
200mm
3.2mm
with Trident Inlet Fitting
ea.
9174573-700
5μm
250mm
3.2mm
with Trident Inlet Fitting
ea.
9174535-700
5μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9174555-700
5μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9174515-700
5μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9174565-700
5μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9174525-700
5μm
200mm
4.6mm
with Trident Inlet Fitting
ea.
9174575-700
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.