Description
NH2 SPE Cartridge: Versatile Sorbent for Normal Phase and Weak Anion Exchange
The NH2 (amino) bonded-phase solid-phase extraction (SPE) cartridge provides strong polar adsorption in non-polar organic solvents and weak anion exchange retention. Compared to SAX SPE cartridges, NH2 has a weaker affinity for anions, making it suitable for selective extractions in food, environmental, pharmaceutical, and biomedical applications.
This cartridge is particularly useful in dual-mode retention, functioning as both a normal-phase adsorbent and a weak anion exchanger, allowing for broad application versatility in complex sample matrices.
Key Features
- Dual retention mechanism for both normal-phase adsorption and weak anion exchange
- Suitable for processing complex sample matrices such as biological fluids
- Effective for separating organic acids, lipids, sugars, and steroids
Applications
- Environmental and industrial analysis
- Removal of strong anions such as sulfonates from aqueous solutions
- Detection of organic acids in air pollutants and removal of esters
- Pharmaceutical and clinical research
- Separation and analysis of drugs and their metabolites, including antagonists and salicylic acid, in biological fluids such as urine and blood
- Food and agricultural testing
- Identification of macrolide insecticides in food and water
- Separation of organic acids, lipids, alcohols, sugars, steroids, and cholesterol from food samples
The NH2 SPE cartridge provides selective retention and efficient sample preparation for anion exchange and normal-phase applications, making it a valuable tool for environmental, food, pharmaceutical, and biomedical research.
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