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Good retention allows
resolution of amiloride
frommatrix.
Amiloride is not
resolved frommatrix.
Ultra II® Biphenyl Phenyl Hexyl
LC_CF0511 LC_CF0515
Column: Ultra II® Biphenyl (cat.# 9609352); Dimensions: 50 mm x 2.1 mm ID; Particle Size: 3 µm;
Pore Size: 100 Å; Sample conc.: 50 ng/mL diuretics in urine, diluted 10x in mobile phase; Complete
analytical conditions for chromatogram LC_CF0511 available at
Column: Gemini® C6-Phenyl (phenyl hexyl); Dimensions: 50 mm x 2.0 mm ID; Particle Size: 3 µm;
Pore Size: 110 Å; Sample conc.: 50 ng/mL diuretics in urine, diluted 10x in mobile phase;
Complete analytical conditions for chromatogram LC_CF0515 available at
Ultra II® Biphenyl Columns (USP L11)
Physical Characteristics:
particle size: 2.2µm, 3µm
or 5µm,
spherical
pore size: 100Å
carbon load: 15%
endcap: fully endcapped
pH range: 2.5 to 7.5
temperature limit: 80°C
Mobile Phase
Management
Last Drop
Filter
25314 26543
Waste
Overflow
Indicator
26395
Hub-Cap
Filter Kit
25014
Solvent
Debubbler
and much more at
FREE Webinar:
LC/MS in Forensic Toxicology:
Selecting a Killer LC Column
For this webinar and other
topics in clinical, forensic,
and toxicology testing visit:
restek
innovation!
Figure 1 Higher retention on Ultra II® Biphenyl columns allows quantitation of diuretics that coelute with matrix on other
phenyl phases.
1.0mm ID 2.1mm ID
Length cat.# cat.#
1.9µm Columns
30mm – – 9609232
50mm – – 9609252
100mm – – 9609212
2.2µm Columns
30mm – – 9609832
50mm – – 9609852
100mm – – 9609812
3µm Columns
30mm 9609331 9609332
50mm 9609351 9609352
100mm 9609311 9609312
150mm 9609361 9609362
5µm Columns
30mm 9609531 9609532
50mm 9609551 9609552
100mm 9609511 9609512
150mm 9609561 9609562
200mm 9609521 9609522
250mm 9609571 9609572
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