XAD4
| Ihnen/SKU | Verfügbarkeit | Preis |
|---|---|---|
500 g | Warenkorb auf Verfügbarkeit prüfen | CHF 160.00 |
1 kg | Warenkorb auf Verfügbarkeit prüfen | CHF 294.00 |
Amberlite™ XAD4, 20-60 mesh
beads
800 °F
LPLC: suitable
750 m2/g
styrene-divinylbenzene
polymer
20-60 mesh
~0.98 mL/g pore volume, 100 Å mean pore size
1.02 g/mL (true wet)(lit.), 1.08 g/mL (skeletal)(lit.)
reversed phase
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| matrix active group polymer | matrix active group polymer | matrix active group polymer | matrix active group polymer |
| matrix styrene-divinylbenzene | matrix styrene-divinylbenzene | matrix styrene-divinylbenzene | matrix acrylic |
| particle size 20-60 mesh | particle size 20-60 mesh | particle size 20-60 mesh | particle size 20-60 mesh, 560-710 μm |
| pore size ~0.98 mL/g pore volume, 100 Å mean pore size | pore size ~0.98 mL/g pore volume, 100 Å mean pore size | pore size ~0.98 mL/g pore volume, 100 Å mean pore size | pore size 0.5 mL/g pore volume, 300-400 Å mean pore size |
| separation technique reversed phase | separation technique reversed phase | separation technique reversed phase | separation technique reversed phase |
| technique(s) LPLC: suitable | technique(s) HPLC: suitable, LPLC: suitable | technique(s) HPLC: suitable, LPLC: suitable | technique(s) LPLC: suitable |
Explore all of our products under Amberlite™ XAD4
11 - Combustible Solids
WGK 3
Not applicable
Not applicable
Eyeshields, Gloves, type N95 (US)
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No protocol describing the use of this product to debitter olives is available.
A literature search shows that Amberlite XAD4 resins have been used for phenolic removal to assist in the debittering processes. Please keep in mind that this product is not food grade and is supplied for research and development purposes. Please review the citation below for more details on this application.
J. Agric. Food Chem. 2019, 67, 5, 1546–1553
https://doi.org/10.1021/acs.jafc.8b06014
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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What is the recommended method for cleaning XAD4 before use?
The following pretreatment is recommended:
1.The adsorbent is shipped as a water-wet product with sodium chloride (NaCl) and sodium carbonate (Na2CO3) salts to prevent bacterial growth. These salts need to be washed from the adsorbent before use, and it is suggested that this be achieved by washing with water at a linear flow rate of 5-10 m/h until the required level is achieved.
2.For sensitive applications, residual monomeric or oligomeric compounds may need to be removed from the adsorbent.
3.A regeneration with the proposed regenerant is also recommended before the first service cycle. If the regenerant is an alcohol, it must be displaced with water before the first loading cycle.
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