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catalog #particle sizelengthidmodificationunits
9102331
3μm
30mm
1.0mm
 
ea.
9102351
3μm
50mm
1.0mm
 
ea.
9102311
3μm
100mm
1.0mm
 
ea.
9102361
3μm
150mm
1.0mm
 
ea.
9102332
3μm
30mm
2.1mm
 
ea.
9102352
3μm
50mm
2.1mm
 
ea.
9102312
3μm
100mm
2.1mm
 
ea.
9102362
3μm
150mm
2.1mm
 
ea.
9102333
3μm
30mm
3.2mm
 
ea.
9102353
3μm
50mm
3.2mm
 
ea.
9102313
3μm
100mm
3.2mm
 
ea.
9102363
3μm
150mm
3.2mm
 
ea.
9102335
3μm
30mm
4.6mm
 
ea.
9102355
3μm
50mm
4.6mm
 
ea.
9102315
3μm
100mm
4.6mm
 
ea.
9102365
3μm
150mm
4.6mm
 
ea.
9102332-700
3μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9102352-700
3μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9102312-700
3μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9102362-700
3μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9102333-700
3μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9102353-700
3μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9102313-700
3μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9102363-700
3μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9102335-700
3μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9102355-700
3μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9102315-700
3μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9102365-700
3μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9102531
5μm
30mm
1.0mm
 
ea.
9102551
5μm
50mm
1.0mm
 
ea.
9102511
5μm
100mm
1.0mm
 
ea.
9102561
5μm
150mm
1.0mm
 
ea.
9102521
5μm
200mm
1.0mm
 
ea.
9102571
5μm
250mm
1.0mm
 
ea.
9102532
5μm
30mm
2.1mm
 
ea.
9102552
5μm
50mm
2.1mm
 
ea.
9102512
5μm
100mm
2.1mm
 
ea.
9102562
5μm
150mm
2.1mm
 
ea.
9102522
5μm
200mm
2.1mm
 
ea.
9102572
5μm
250mm
2.1mm
 
ea.
9102533
5μm
30mm
3.2mm
 
ea.
9102553
5μm
50mm
3.2mm
 
ea.
9102513
5μm
100mm
3.2mm
 
ea.
9102563
5μm
150mm
3.2mm
 
ea.
9102523
5μm
200mm
3.2mm
 
ea.
9102573
5μm
250mm
3.2mm
 
ea.
9102535
5μm
30mm
4.6mm
 
ea.
9102555
5μm
50mm
4.6mm
 
ea.
9102515
5μm
100mm
4.6mm
 
ea.
9102565
5μm
150mm
4.6mm
 
ea.
9102525
5μm
200mm
4.6mm
 
ea.
9102575
5μm
250mm
4.6mm
 
ea.
9102532-700
5μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9102552-700
5μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9102512-700
5μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9102562-700
5μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9102522-700
5μm
200mm
2.1mm
with Trident Inlet Fitting
ea.
9102572-700
5μm
250mm
2.1mm
with Trident Inlet Fitting
ea.
9102533-700
5μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9102553-700
5μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9102513-700
5μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9102563-700
5μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9102523-700
5μm
200mm
3.2mm
with Trident Inlet Fitting
ea.
9102573-700
5μm
250mm
3.2mm
with Trident Inlet Fitting
ea.
9102535-700
5μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9102555-700
5μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9102515-700
5μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9102565-700
5μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9102525-700
5μm
200mm
4.6mm
with Trident Inlet Fitting
ea.
9102575-700
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.