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catalog #particle sizelengthidmodificationunits
9409232
1.9μm
30mm
2.1mm
 
ea.
9409252
1.9μm
50mm
2.1mm
 
ea.
9409212
1.9μm
100mm
2.1mm
 
ea.
9409331
3μm
30mm
1.0mm
 
ea.
9409351
3μm
50mm
1.0mm
 
ea.
9409311
3μm
100mm
1.0mm
 
ea.
9409361
3μm
150mm
1.0mm
 
ea.
9409332
3μm
30mm
2.1mm
 
ea.
9409352
3μm
50mm
2.1mm
 
ea.
9409312
3μm
100mm
2.1mm
 
ea.
9409362
3μm
150mm
2.1mm
 
ea.
9409333
3μm
30mm
3.2mm
 
ea.
9409353
3μm
50mm
3.2mm
 
ea.
9409313
3μm
100mm
3.2mm
 
ea.
9409363
3μm
150mm
3.2mm
 
ea.
9409335
3μm
30mm
4.6mm
 
ea.
9409355
3μm
50mm
4.6mm
 
ea.
9409315
3μm
100mm
4.6mm
 
ea.
9409365
3μm
150mm
4.6mm
 
ea.
9409332-700
3μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9409352-700
3μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9409312-700
3μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9409362-700
3μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9409333-700
3μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9409353-700
3μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9409313-700
3μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9409363-700
3μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9409335-700
3μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9409355-700
3μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9409315-700
3μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9409365-700
3μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9409531
5μm
30mm
1.0mm
 
ea.
9409551
5μm
50mm
1.0mm
 
ea.
9409511
5μm
100mm
1.0mm
 
ea.
9409561
5μm
150mm
1.0mm
 
ea.
9409521
5μm
200mm
1.0mm
 
ea.
9409571
5μm
250mm
1.0mm
 
ea.
9409532
5μm
30mm
2.1mm
 
ea.
9409552
5μm
50mm
2.1mm
 
ea.
9409512
5μm
100mm
2.1mm
 
ea.
9409562
5μm
150mm
2.1mm
 
ea.
9409522
5μm
200mm
2.1mm
 
ea.
9409572
5μm
250mm
2.1mm
 
ea.
9409533
5μm
30mm
3.2mm
 
ea.
9409553
5μm
50mm
3.2mm
 
ea.
9409513
5μm
100mm
3.2mm
 
ea.
9409563
5μm
150mm
3.2mm
 
ea.
9409523
5μm
200mm
3.2mm
 
ea.
9409573
5μm
250mm
3.2mm
 
ea.
9409535
5μm
30mm
4.6mm
 
ea.
9409555
5μm
50mm
4.6mm
 
ea.
9409515
5μm
100mm
4.6mm
 
ea.
9409565
5μm
150mm
4.6mm
 
ea.
9409525
5μm
200mm
4.6mm
 
ea.
9409575
5μm
250mm
4.6mm
 
ea.
9409532-700
5μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9409552-700
5μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9409512-700
5μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9409562-700
5μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9409522-700
5μm
200mm
2.1mm
with Trident Inlet Fitting
ea.
9409572-700
5μm
250mm
2.1mm
with Trident Inlet Fitting
ea.
9409533-700
5μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9409553-700
5μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9409513-700
5μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9409563-700
5μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9409523-700
5μm
200mm
3.2mm
with Trident Inlet Fitting
ea.
9409573-700
5μm
250mm
3.2mm
with Trident Inlet Fitting
ea.
9409535-700
5μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9409555-700
5μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9409515-700
5μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9409565-700
5μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9409525-700
5μm
200mm
4.6mm
with Trident Inlet Fitting
ea.
9409575-700
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.