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| 47 mm Diameter Empore™ Extraction Disks | Empore™ Chelating 47 mm DiskThe chelating disk has an affinity for multivalent (primarily 2+ and 3+) transition elements.
These products are intended for use during scientific research only and are not intended for use in medical devices or in assessment and treatment of clinical patients.
Features and Benefits:- Empore™ Chelating Disks provide a way to selectively remove multivalent metal cations from solutions.
- This selectivity can be used to concentrate metals from a sample for analysis or to isolate and remove metal interferences from a complex organic or inorganic sample matrix. In the latter case, the purified filtrate is ready for use.
- The chelating disk has an affinity for multivalent (primarily 2+ and 3+) transition elements. The functional group exhibits differing ionic charges depending on the pH of the solution.
- At pH 2, the carboxylate groups are neutral and the nitrogen has a net positive charge. This allows the sorbent to function as a weak anion exchanger.
- Increasing the pH ionizes the carboxylate groups and at pH =5, both are negatively charged
- As the pH approaches neutral, the sorbent functions as a cation exchanger or a chelating resin.
Stock Number: 98060402389
UPC: 0-51115-08828-5
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