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Related Concept Videos

Ion Exchange01:17

Ion Exchange

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Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
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High-Performance Liquid Chromatography: Elution Process01:05

High-Performance Liquid Chromatography: Elution Process

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In High-Performance Liquid Chromatography (HPLC), the elution process is critical to the separation of analytes and the quality of chromatographic results. Elution describes how compounds move through the column and separate based on their interactions with the mobile and stationary phases. This process determines the resolution, peak shape, and retention times in the chromatogram, which are essential for identifying and quantifying components in complex mixtures. Understanding the elution...
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High-Performance Liquid Chromatography: Introduction01:11

High-Performance Liquid Chromatography: Introduction

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High-performance liquid chromatography(HPLC), formerly referred to as High-pressure liquid chromatography, is a powerful technique used to separate, identify, and quantify components in complex mixtures. The term "high pressure" refers to using high pressure to push the liquid mobile phase through the tightly packed columns.
In HPLC, two phases play a critical role in the separation process:
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Gas Chromatography: Types of Columns and Stationary Phases01:17

Gas Chromatography: Types of Columns and Stationary Phases

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Gas chromatography (GC) relies on stationary phases to separate and analyze components in a sample. There are two main types of stationary phases: liquid and solid. Liquid stationary phases are non-volatile, thermally stable, and chemically inert liquids coated onto the column. Solid stationary phases are particles of adsorbent material, such as silica gel or molecular sieves.
For an analyte to remain on the column for a sufficient amount of time, it must exhibit some level of compatibility (or...
743
Supercritical Fluid Chromatography01:18

Supercritical Fluid Chromatography

284
Supercritical fluid chromatography (SFC) provides a beneficial substitute for gas chromatography (GC) and liquid chromatography (LC) for certain samples because it merges the top attributes of both techniques. SFC allows the separation and analysis of compounds that GC or LC does not easily manage. These compounds are traditionally nonvolatile or thermally unstable, making GC unsuitable and lacking functional groups required for HPLC analysis.
SFC utilizes a supercritical fluid mobile phase,...
284
Size-Exclusion Chromatography01:08

Size-Exclusion Chromatography

659
In size-exclusion chromatography (SEC), also known as molecular-exclusion or gel-permeation chromatography, molecules are separated based on their sizes. This technique is important for separating large molecules such as polymers and biomolecules. The two classes of micron-sized stationary phases encountered in SEC are silica particles and cross-linked polymer resin beads. Both materials are porous, but their pore sizes vary significantly.
Silica particles offer advantages such as rigidity,...
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Related Experiment Video

Updated: Jul 25, 2025

Preparation of Highly Porous Coordination Polymer Coatings on Macroporous Polymer Monoliths for Enhanced Enrichment of Phosphopeptides
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[Application progress of hypercrosslinked porous organic polymers in cartridge-based solid phase extraction].

Tong-Tong Qin1, Li Gao1, Wen-Jie Zhao1

  • 1School of Chemistry and Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China.

Se Pu = Chinese Journal of Chromatography
|June 30, 2023
PubMed
Summary

Hypercrosslinked porous organic polymers (HCPs) offer versatile applications in extraction due to their tunable properties. This review details HCPs

Keywords:
adsorbentsadsorption mechanismcartridge-based solid phase extractionhypercrosslinked porous organic polymers (HCPs)

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Area of Science:

  • Materials Science
  • Analytical Chemistry

Context:

  • Hypercrosslinked porous organic polymers (HCPs) are advanced porous materials synthesized via Friedel-Crafts reactions.
  • HCPs exhibit excellent adsorption properties, high surface area, and chemical tunability, making them suitable for various applications.

Purpose:

  • To review the characteristics, synthesis, and applications of different types of HCPs in solid-phase extraction (SPE).
  • To highlight the potential of HCPs in environmental monitoring, food safety, and biochemical analyses.

Summary:

  • HCPs are classified into hydrophobic, hydrophilic, and ionic types based on their structure and adsorption mechanisms.
  • Hydrophobic HCPs excel at extracting nonpolar analytes, hydrophilic HCPs target polar compounds, and ionic HCPs offer mixed-mode extraction for acid-base drugs.
  • The review details HCP applications in cartridge-based SPE, showcasing their efficient extraction performance.

Impact:

  • HCPs provide efficient and tunable extraction materials for diverse analytes.
  • Their integration with analytical techniques like chromatography and mass spectrometry enhances analytical capabilities.
  • HCPs show significant promise for future advancements in environmental and safety analyses.