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Frequently Asked Questions (F.A.Q)
Size Exclusion Chromatography Separation Columns GPC, SEC, GFC

Here are some answers to common queries about our columns. 


  • Successful Molecular Size Separation and Column Use +

    Gel Permeation Chromatography (GPC), Size Exclusion Chromatography (SEC), or Gel Filtration Chromatography (GFC) are names Read More
  • What are Some Column Installation Tips? +

    Purge the system with mobile phase; pump solvent through to remove air from the capillary Read More
  • Is There a Column Compatibility Test? +

    PSS will perform a GPC test to document the performance of our columns on your Read More
  • What Installation Hardware Will Be Needed? +

    PSS usually ships connection fittings with the column.  However, you may use Valco ferrules and Read More
  • What is the Column Shipment Process? +

    Standard shipment time for columns is 10 to 15 business days. All column orders are Read More
  • Cleaning a Clogged Column +

    Q: How do I clean a clogged GPC column? A: When the backpressure in a Read More
  • What is the difference between GPC, GFC, SEC and HPLC? +

    Q: What is the difference between GPC, GFC, SEC and HPLC?  A: Size exclusion chromatography (SEC) Read More
  • Column Care Tips +

    Q: Column Care Tips A: SEC Columns need to be used with care in order Read More
  • How do I store my Columns? +

    Q: How do I store my Columns? A: Storage Recomendations Remove all salt solutions with Read More
  • Do I need special hardware for PSS columns? +

    Q: Do I need special hardware for PSS columns?  A:   No, PSS columns are compatible Read More
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Latest News

  • Introducing our new Online Store +

    We are pleased to announce that we will be launching our NEW and IMPROVED PSS online store on November 2nd . You Read More

    October 2-5, 2017 New Orleans, Louisiana The International Symposium on GPC/SEC and Related Techniques is designed for users from all backgrounds Read More
  • Liquid Adsorption Chromatography Seminar April 2017 +

    PSS USA Inc. will be presenting a seminar on Liquid Adsorption Chromatography in Amherst, MA on April 11th, 2017.   This course Read More
  • Speaking at 16th Annual Csaba Horvath Memorial Award Symposium +

    Dr. Derek Lohmnn will be speaking at the 16th Annual Csaba Horvath Memorial Award Symposium on the Yale West Campus in Read More
  • Pullulan ReadyCal Kits for GPC/SEC calibration +

    The calibration of a GPC/SEC-system is a time-consuming process as it requires the accurate weighing of a larger number of different Read More
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