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C18 Columns / HPLC

NEW - Inertsil Continues to Evolve to InertSustain. Generally, silica based C18 columns are mechanically stable & provide high efficiencies, however, they cannot be used under alkaline conditions & their residual silanol groups tend to adsorb organic bases. InertSustain C18 columns employ a radically new type of silica, in which the surface of the silica is uniquely modified, enabling precise control of the silica properties. InertSustain C18 columns inherit the advantages of all the current Inertsil HPLC C18 columns (e.g., extremely low operating back pressure, superior inertness to typically any analytes, high efficiency and compatibility with a wide range of solvents), but now can be used for wide pH analysis with consistent performance from column to column and lot to lot. Explore InertSustain C18 HPLC Columns

C18 HPLC Columns Resources:

  • Download GL Sciences 2022 C18 Columns Catalog  Download & Discover GL Sciences' C18 Columns
  • Search Application Notes For C18 Columns  Search Applications Database
  • HPLC C18 Columns Specifications — Summary of GL Sciences HPLC Column Specifications. Learn More
  • HPLC C18 Column Selection Overview — Separation mode selection for analyte polarity & HPLC column selection for analyte properties. Learn More
  • HPLC Column Selection By USP — Recommended GL Sciences HPLC Columns based on USP Code. Learn More
  • HPLC Column End Fittings — Summary of GL Sciences' end-fitting style & recommended operating pressure. Learn More
  • Reversed Phase HPLC Column Selection Guide — Download Reverse Phase HPLC Column Selection Guide. Learn More
  • How to Select a Guard Column — Download guide to select the right guard column. Learn More
  • Choosing Preparative Column — Download Guide to select the right preparative column. Learn More
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Generally, silica based columns are mechanically stable and provide high efficiencies, however, they cannot be used under alkaline conditions and their residual silanol groups tend to adsorb organic bases. InertSustain C18 employs a radically new type of silica, in which the surface of the silica is uniquely modified, enabling precise con...
From $207.00
Inertsil ODS-3 is still GL Sciences’ most popular phase and continues to be used widely and reliably for long established methods in pharmaceutical, and contract research labs. Inertsil ODS-3 has a relatively strong retentivity compared to commercially available ODS columns. In addition, the introduction of higher surface area silica prov...
From $207.00
Inertsil ODS-3V offers all of the outstanding chromatographic benefits of Inertsil ODS-3 with the added benefit of a more thoroughly documented, validated QC procedure consistent with the demands of GLP/GMP compliance. Each Inertsil ODS-3V is delivered with a Manufacturer‘s Validation Certificate showing the detailed results of every QA ...
From $508.00
The High Performance Core-shell Column For UHPLC/HPLC Specifications Base Material: Core-shell type silica gel Particle Size: 2.6 µm Solid Core: 2.0 µm Surface Area: 200 m2/g Pore Size: 90 Å (9 nm) Functional Group: Octadecyl End-capping: Yes Carbon Loading: 15% USP Code: L1 pH Range: 1 - 10 Max Pressure: 100 MPa (2.1 mm I...
From $340.00
Inertsil ODS-4 delivers the same extreme inertness to any type of compounds just like InertSustain C18 along with unprecedented stability under 100 % aqueous mobile phases for qualitative and quantitative analysis. However, as the base silica gel and carbon loading are different on Inertsil ODS-4, differences in selectivity can be observe...
From $207.00
Inertsil ODS-2 columns have a pore size of 150 Å offering symmetric peaks for bases, acids with low pressure. When Inertsil ODS-2 was introduced in 1987s, this HPLC transformed the entire industry. Inertsil ODS-2 was the first HPLC phase created using ultra high purity silica, which produced superior base deactivation. Inertsil ODS-2 is o...
From $219.00
GL Sciences offers a polymerically bonded ODS-P phase which provide high steric selectivity for separation of planar and non-planar compounds. nertsil ODS-P columns are also ideal for the HPLC analysis of 16 PAH compounds, listed as target pollutants by the US EPA.
From $207.00
Inertsil ODS-EP contains a polar functional group embedded between the silica surface and the C18 group. The embedded polar group makes the C18 phase stable in 100 % aqueous eluents without "phase collapse." This phase is also extremely "base deactivated" and provides superior peak shape for acids and bases in organic eluents as well a...
From $207.00
Inertsil ODS-SP is super base deactivated and optimally bonded to retain hydrophilic compounds without excessive retention of hydrophobic compounds achieving better separations faster than before. As the carbon load of Inertsil ODS-SP is relatively low, it is compatible with 100 % aqueous eluents and offer faster equilibration of column f...
From $207.00
Inertsil ODS-4 columns have proven superior worldwide for analysis of strong pharmaceutical bases, acids, chelating compounds, and zwitterions. The long-awaited validated Inertsil ODS-4V has now been added to our product lineup. Each Inertsil ODS-4V is delivered with a Manufacturer’s Validation Certificate showing the detailed results ...
From $565.00
Inertsil ODS columns are general purpose, reversed phase C18 columns available in 5 μm and 10 μm particle sizes. It was the first ODS bonded phase introduced from GL Sciences back in 1986. We recommend InertSustain C18 or Inertsil ODS-4 columns for all new method development.
From $254.00
Inertsil WP300 C18 (wide pore size of 300 Å) columns bring the same legendary performance of Inertsil's narrow-pore HPLC products to columns designed specifically for the reproducible separations of proteins and peptides. The results of GL Sciences’ original end-capping technique provide high efficiency and good peak shape for proteins an...
From $207.00
Increasing Efficiency, Throughput and Productivity InertSustainSwift C18 columns are designed to deliver rapid separations with symmetric peaks to minimize analysis time as much as possible. InertSustainSwift C18 is also ideal for LC-MS and LC-MS/MS methods which offer highly sensitive results and enables MS compatible buffers to be u...
From $207.00
InertSustain AQ-C18 columns are designed to achieve strong retention for highly polar compounds, which is the most challenging goals in developing reversed phase methods. The optimization of bonding of the C18 groups at equal distance to the silica gel enable InertSustain AQ-C18 to offer significant retention for highly polar compounds ev...
From $207.00
Ultra High Retentivity Ideal for Separation of Basic Molecules & its Related Substances, Process Impurities Inertsil ODS-HL employs a highly inert packing material which provides pure hydrophobic interaction between analytes without generating any secondary interaction delivering sharp peaks. High-Density bonding of C18 phase delivers ...
From $207.00
SKU# 5020-03953
$519.00
SKU# 5020-03954
$548.00
SKU# 5020-03955
$589.00
SKU# 5020-03956
$635.00
SKU# 5020-03963
$577.00
SKU# 5020-03964
$600.00
SKU# 5020-03965
$675.00
SKU# 5020-03966
$889.00
SKU# 5020-81053
$906.00
SKU# 5020-81054
$1,194.00
SKU# 5020-81055
$1,293.00
SKU# 5020-81056
$1,414.00
SKU# 5020-79001
$1,252.00
SKU# 5020-79002
$1,755.00
SKU# 5020-79003
$2,090.00
SKU# 5020-79004
$2,580.00
SKU# 5020-81063
$1,640.00
SKU# 5020-81064
$2,656.00
SKU# 5020-81065
$3,234.00
SKU# 5020-81066
$3,603.00
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