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59142C40
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SUPELCOSIL LC-ABZ

by Sigma Aldrich

SUPELCOSIL™ LC-ABZ HPLC Column
5 μm particle size, L × I.D. 15 cm × 3.0 mm

SUPELCOSIL™ HPLC Columns
Traditional HPLC columns, similar to Hypersil™
Our SUPELCOSIL silica-based HPLC column line includes over 40 bonded phase chemistries, in a range of particle sizes and column configurations from microbore to preparative scale. It is the original high quality Supelco product line referenced in many USP methods.
In the case of a few SUPLECOSIL phases, we have recommended alternatives based on more advanced column technology.

LC-ABZ alkylamide
This phase has a unique deactivation technology which provides excellent reversed-phase performance for basic compounds, as well as those that are acidic, polar neutral, and non-polar. Silanol suppressing practices (such as such as using competing amines, operating at high ionic strength, and adjusting mobile phases to pH extremes) are typically not required to obtain good peak shape on the LC-ABZ phase.
We recommend Ascentis® RP-Amide, based on more advanced column technology, as a replacement for this alkylamide phase if your HPLC method permits.

Features and Benefits

  • For acids, bases, zwitterions
  • Increased polar retention relative to standard reversed-phases
  • Unique selectivity
  • Silanol deactivation
  • Peak shape, efficiency, and retention are comparable to C8 phases for non-polar analytes
Application areas:
Zwitterionic analytes Acidic compounds Basic compounds
Specification
Vendor Sigma Aldrich Pore size 120
Brand SUPELCOSIL LC-ABZ pH stability from 2.0
Modifification Silica/ Alkylamide pH stability to 7.5
Mode Normal-Phase+CX Surface Area 170
Particle Size Carbon Load, % 12.0
Length Endcapped Yes
Internal Diameter Operating Temperature 70
Similar columns Columns with same mode & modification — across all brands
VendorBrandModeModification Int. diam.LengthParticlesPoresPrice
Sigma Aldrich SUPELCOSIL ABZ+Plus Normal-Phase+CX Silica/ Alkylamide 3.0 mm 50 mm 5.0 μm 120 Å On request
Sigma Aldrich SUPELCOSIL ABZ+Plus Normal-Phase+CX Silica/ Alkylamide 4.6 mm 150 mm 3.0 μm 120 Å On request
Sigma Aldrich SUPELCOSIL ABZ+Plus Normal-Phase+CX Silica/ Alkylamide 2.1 mm 50 mm 5.0 μm 120 Å On request
Sigma Aldrich SUPELCOSIL ABZ+Plus Normal-Phase+CX Silica/ Alkylamide 3.0 mm 250 mm 5.0 μm 120 Å On request
Sigma Aldrich SUPELCOSIL Suplex pKb-100 Normal-Phase+CX Silica/ Alkylamide 4.6 mm 50 mm 5.0 μm 120 Å On request
Sigma Aldrich SUPELCOSIL ABZ+Plus Normal-Phase+CX Silica/ Alkylamide 4.6 mm 250 mm 5.0 μm 120 Å On request
Sigma Aldrich SUPELCOSIL ABZ+Plus Normal-Phase+CX Silica/ Alkylamide 4.6 mm 250 mm 12.0 μm 120 Å On request
Sigma Aldrich SUPELCOSIL ABZ+Plus Normal-Phase+CX Silica/ Alkylamide 2.1 mm 33 mm 3.0 μm 120 Å On request
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