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catalog #particle sizelengthidmodificationunits
9175331
3μm
30mm
1.0mm
 
ea.
9175351
3μm
50mm
1.0mm
 
ea.
9175311
3μm
100mm
1.0mm
 
ea.
9175361
3μm
150mm
1.0mm
 
ea.
9175332
3μm
30mm
2.1mm
 
ea.
9175352
3μm
50mm
2.1mm
 
ea.
9175312
3μm
100mm
2.1mm
 
ea.
9175362
3μm
150mm
2.1mm
 
ea.
917533E
3μm
30mm
3.0mm
 
ea.
917535E
3μm
50mm
3.0mm
 
ea.
917531E
3μm
100mm
3.0mm
 
ea.
917536E
3μm
150mm
3.0mm
 
ea.
9175333
3μm
30mm
3.2mm
 
ea.
9175353
3μm
50mm
3.2mm
 
ea.
9175313
3μm
100mm
3.2mm
 
ea.
9175363
3μm
150mm
3.2mm
 
ea.
9175335
3μm
30mm
4.6mm
 
ea.
9175355
3μm
50mm
4.6mm
 
ea.
9175315
3μm
100mm
4.6mm
 
ea.
9175365
3μm
150mm
4.6mm
 
ea.
9175332-700
3μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9175352-700
3μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9175312-700
3μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9175362-700
3μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9175333-700
3μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9175353-700
3μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9175313-700
3μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9175363-700
3μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9175335-700
3μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9175355-700
3μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9175315-700
3μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9175365-700
3μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9175531
5μm
30mm
1.0mm
 
ea.
9175551
5μm
50mm
1.0mm
 
ea.
9175511
5μm
100mm
1.0mm
 
ea.
9175561
5μm
150mm
1.0mm
 
ea.
9175521
5μm
200mm
1.0mm
 
ea.
9175571
5μm
250mm
1.0mm
 
ea.
9175532
5μm
30mm
2.1mm
 
ea.
9175552
5μm
50mm
2.1mm
 
ea.
9175512
5μm
100mm
2.1mm
 
ea.
9175562
5μm
150mm
2.1mm
 
ea.
9175522
5μm
200mm
2.1mm
 
ea.
9175572
5μm
250mm
2.1mm
 
ea.
9175533
5μm
30mm
3.2mm
 
ea.
9175553
5μm
50mm
3.2mm
 
ea.
9175513
5μm
100mm
3.2mm
 
ea.
9175563
5μm
150mm
3.2mm
 
ea.
9175523
5μm
200mm
3.2mm
 
ea.
9175573
5μm
250mm
3.2mm
 
ea.
9175535
5μm
30mm
4.6mm
 
ea.
9175555
5μm
50mm
4.6mm
 
ea.
9175515
5μm
100mm
4.6mm
 
ea.
9175565
5μm
150mm
4.6mm
 
ea.
9175525
5μm
200mm
4.6mm
 
ea.
9175575
5μm
250mm
4.6mm
 
ea.
9175532-700
5μm
30mm
2.1mm
with Trident Inlet Fitting
ea.
9175552-700
5μm
50mm
2.1mm
with Trident Inlet Fitting
ea.
9175512-700
5μm
100mm
2.1mm
with Trident Inlet Fitting
ea.
9175562-700
5μm
150mm
2.1mm
with Trident Inlet Fitting
ea.
9175522-700
5μm
200mm
2.1mm
with Trident Inlet Fitting
ea.
9175572-700
5μm
250mm
2.1mm
with Trident Inlet Fitting
ea.
9175533-700
5μm
30mm
3.2mm
with Trident Inlet Fitting
ea.
9175553-700
5μm
50mm
3.2mm
with Trident Inlet Fitting
ea.
9175513-700
5μm
100mm
3.2mm
with Trident Inlet Fitting
ea.
9175563-700
5μm
150mm
3.2mm
with Trident Inlet Fitting
ea.
9175523-700
5μm
200mm
3.2mm
with Trident Inlet Fitting
ea.
9175573-700
5μm
250mm
3.2mm
with Trident Inlet Fitting
ea.
9175535-700
5μm
30mm
4.6mm
with Trident Inlet Fitting
ea.
9175555-700
5μm
50mm
4.6mm
with Trident Inlet Fitting
ea.
9175515-700
5μm
100mm
4.6mm
with Trident Inlet Fitting
ea.
9175565-700
5μm
150mm
4.6mm
with Trident Inlet Fitting
ea.
9175525-700
5μm
200mm
4.6mm
with Trident Inlet Fitting
ea.
9175575-700
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.