ADS-17 Macroporous Adsorption Resin (Hydrogen Key)
About this Product:
The ADS-17 resin is a medium-polar adsorbent specifically engineered for the selective extraction of flavonoids. Its unique ability to form hydrogen bonds with flavonoid molecules significantly enhances selectivity, enabling the production of Ginkgo Biloba Extract (GBE) with high flavonoid content.
Application
This resin is exceptionally durable, maintaining stability under high temperatures and a wide range of solvents, acidic, and alkaline conditions. With a service life of up to seven years, the ADS-17 is a reliable and long-lasting solution. Its high selectivity allows for the extraction of ginkgo flavone glycosides and ginkgolides, with final product contents reaching 40% and 10% respectively.
Physical and Chemical Properties:
Information | Specification |
Polymer Matrix Structure | Crosslinked Polystyrene |
Polarity | Hydrogen key |
Physical Form and Appearance | Yellow spherical beads |
Bead Size | 0.3-1.25 |
Moisture(%) | 55-65 |
True density(g/ml)(wet) | 1.03-1.07 |
Apparent density(g/ml)(wet) | 0.65-0.75 |
Surface area(m2/g) | 90-150 |
Apparent density(g/ml)(dry) | ——– |
Skeletal density(g/ml)(dry) | 1.05-1.15 |
average pore diameter (nm) | 25-30 |
Porosity(%) | 40-50 |
Pore volume(ml/g) | ——– |
Suggested Operating Condition
Maximum Temperature | 150℃ |
Adsorption flow rate | 1—4BV/hr |
Desorption flow rate | 0.6—2BV/hr |
Desorption dose | 2—3BV |
Desorption material | Ethanol or Ethanol water solution |
Regenerant Concentration | 1-2%NaOH, |
Regenerant dosage | 3-4bed volume |
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