Lab & Scientific Equipment

The Best Lab Chromatography GPC-SEC Calibration Kits

1 min read WeKompare Editorial Team Products verified: July 17, 2026 10 products compared

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Gel Permeation Chromatography (GPC) and Size Exclusion Chromatography (SEC) are crucial techniques for polymer analysis. Accurate molecular weight determination relies heavily on the quality and suitability of calibration kits. Selecting the right kit ensures reliable data, reproducible results, and efficient method development for your laboratory needs.

No. 1
ALDON Innovating Science Thin Layer Chromatography Kit: Separating Chemical Substances (Materials for...
ALDON Innovating Science Thin Layer Chromatography Kit: Separating Chemical Substances (Materials for...
  • Students will learn the process behind chromatography while trying it out for themselves
  • Perform thin layer chromatography with four dyes, and determine whether each dye has a singular component or is composed of a mixture
  • Kit includes enough materials for 15 groups of students
  • Students will practice forming and testing hypotheses, as well as drawing conclusions from observations
  • Suitable for grades 6 and up
$113.59
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Last update on 2026-07-17 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Lab Chromatography GPC-SEC Calibration Kits

Storage and Handling

Proper storage and handling of calibration standards are vital to maintain their integrity. Most standards are sensitive to moisture, heat, and light. Always follow the manufacturer's recommended storage conditions, typically in a cool, dry place. Ensure standards are accurately weighed and dissolved according to the manufacturer's instructions to prevent degradation or contamination.

Frequently Asked Questions

What is the purpose of a GPC/SEC calibration kit?
A GPC/SEC calibration kit contains a series of well-characterized polymer standards with known molecular weights. These standards are used to create a calibration curve, which allows the instrument to determine the molecular weight distribution of unknown polymer samples.
How do I choose the correct solvent for my calibration kit?
The solvent used for calibration must be the same as the mobile phase used for your sample analysis. The standards in the kit are specifically designed to be soluble and behave predictably in certain solvents.
What is polydispersity index (PDI)?
The polydispersity index (PDI) describes the width of the molecular weight distribution of a polymer. A lower PDI indicates a narrower distribution, which is crucial for accurate and precise molecular weight determination in GPC/SEC.
Can I mix standards from different calibration kits?
While technically possible, it is generally not recommended. Different kits may have varying characterization methods or slight differences in standard purity, which can lead to inaccuracies in your calibration curve.
How often should I recalibrate my GPC/SEC system?
Recalibration frequency depends on factors like instrument stability, column performance, and the criticality of your measurements. It's common practice to recalibrate daily or weekly, or whenever significant changes are made to the system or columns.