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Visit us at Booth 2735

Visit our poster: Simultaneous LC/MS Analysis of Ultra-Short Through Long Chain PFAS Compounds (C1-C10) in Industrial and Ground Water on Monday, Feb 26, 2024 1:00 PM to 3:00 PM. (America/Vancouver); Expo Floor/Environment & Energy

Welcome to Shodex

Welcome to Shodex

Welcome to the US-based home for Shodex™ LC and LC/MS columns manufactured exclusively by Resonac, formerly Showa Denko. Go where you want to go. Use the quick navigation grid.

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Recorded Webinar Available

Learn the basics of size exclusion chromatography.

This 45-minute webinar, presented by Dr. Tanya Napolitano in November 2023, is available on YouTube. Watch now!

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Hot Topics: PFAS & Environmental Pollutants


Analysis of PFAS According to Japanese Industrial Standards Method (JJ-50 2D)

The Japanese Industrial Standards (JIS) K0450-70-10 states the “Testing methods…


Analysis of PFAS (VT-50 2D)

PFAS stands for per- and poly-fluoroalkyl substances. They are hardly…


Effects of Eluent Composition Ratios on PFOS and PFOA Analysis (JJ-50 2D)

Perfluorooctanesulfonic acid (PFOS) and Perfluorooctanoic acid (PFOA) rarely decompose in…


Melamine (2) (NH2P-50 2D)

Polymer-amino column, Asahipak NH2P-50 2D was used for melamine LC/MS…


Arsenic Compounds in Marine Life

Arsenic compound in marine life were analyzed using Asahipak GS-220…


Dialkyltin Compounds

Dialkyltin compounds were analyzed using Asahipak GS-310 7E (a multimode…


Analysis of Haloacetic acids

Five kinds of haloacetic acid were analyzed with RSpak JJ-50…



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Quickly browse through our applications by clicking a category below.

Potato Starch (DMSO/DMF Eluent: KD-806M)

Potato starch was analyzed using organic SEC column GPC KD-806M […]

Calibration Curve for LW-403 4D (Proteins)

A calibration curve for PROTEIN LW-403 4D, an aqueous SEC […]

Fluoroacetic acids

  Please use this column with suppressor type ion chromatography […]
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Change of Package Sizes for 10-mm and 50-mm Size Analytical Columns

May 16, 2024

Dear Valued Customers, Thank you for using the Shodex products.We will be using small size boxes for some of 10-mm and 50-mm size analytical columns…

Notice of Internal Reorganization of Showa Denko America, Inc.

Oct 18, 2022

View the full letter. Dear Shodex™ Customers, I am writing to you on behalf of Showa Denko America, Inc. (“SDA”) to notify you that SDA…

Notification of Shodex™ Column COA Errant Information & Proposed Amended COA Distribution

Mar 9, 2022

Please contact Resonac America directly if you have or suspect you have a suspected product or products. Support: +1.212.370.0033 Opt. 2Sales: + x116 or 347.453.8814Email…

Notification of Shodex™ Out-of-specification Products and Replacements

Mar 9, 2022

Please contact Showa Denko America directly for further assistance if you have or suspect you have an out-of-specification product or products. Support: +1.212.370.0033 Opt. 2Sales:…

Resumption Molecular Weights Information for Pullulan Standards

Mar 9, 2022

We temporarily suspended providing molecular weight measurements by static light scattering (LS) method of our pullulan standards as the analytical institute that we use could…


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