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11982

Supelco

Adsorbente polimerico poroso Tenax®

matrix Tenax TA, 60-80 mesh, bottle of 10g

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About This Item

Codice UNSPSC:
23201100
Prezzi e disponibilità al momento non sono disponibili

Nome del prodotto

Adsorbente polimerico poroso Tenax®, matrix Tenax TA, 60-80 mesh, bottle of 10 g

agenzia

suitable for EPA 601

Stato

solid

Confezionamento

bottle of 10 g

Parametri

350 °C temp. limit

Area superficiale

~35 m2/g

Matrice

Tenax TA

Dimensione particelle

60-80 mesh

Densità

~0.25 g/mL (free fall density)

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Categorie correlate

Descrizione generale

Il polimero poroso Tenax, basato su 2,6-difenil-p-fenilen ossido, è ampiamente usato come adsorbente sia nella raccolta di aria che in applicazioni di intrappolamento. La sua struttura esclusiva offre caratteristiche di adsorzione/desorzione alternative e desiderabili in confronto ad altri polimeri porosi.

Per maggiori informazioni su qualsiasi nostro adsorbente visitare sigma-aldrich.com/adsorbents

Applicazioni

L′adsorbente polimerico poroso Tenax® può essere impiegato per il campionamento per adsorzione di:
  • Composti organici volatili (VOC) in diversi microambienti prima della loro determinazione per desorzione termica a breve raggio (SPTD) e gas cromatografia-spettrometria di massa (GC-MS).[1]
  • Idrocarburi C7-C26 in campioni di aria nell′ambiente[2] e VOC in campioni d′aria in ambienti di lavoro[3] prima della loro analisi mediante TD seguita da GC.

Note legali

Tenax is a registered trademark of Buchem B.V.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H315,H319,H335

Classi di pericolo

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number

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Fire Investigation.
Daeid NN, et al.
Science, 142-143 (2004)
Static Headspace-Gas Chromatography: Theory and Practice .
Kolb B and Ettre LS.
Science, 6-7 (2006)
Adsorbent materials commonly used in air analysis for adsorptive enrichment and thermal desorption of volatile organic compounds.
Dettmer K and Engewald W
Analytical and Bioanalytical Chemistry, 373(6), 490-500 (2002)
Stability of workroom air volatile organic compounds on solid adsorbents for thermal desorption gas chromatography.
Volden J, et al.
Analytica Chimica Acta, 530(2), 263-271 (2005)
Handbook of Water Analysis.
Nollet LM and De Gelder LSP.
Technology & Engineering, 625-626 (2007)
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Questions

1–5 of 5 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. 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

      Helpful?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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/449/386/product-dating-information-mk.pdf

      Helpful?

  3. Can tenax be restored in laboratory oven at 40 *C temperature?

    1 answer

    1. The Tenax® Porous Polymer Adsorbent can be regenerated by hot-methanol extraction.

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  4. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  5. What solvents can be used for chemical desorption for Product No. 11982, Tenax TA 60-80 mesh?

    1 answer

    1. Common solvents like alcohols, ethers, hydrocarbons, and aqueous hydrochloric acid/sodium hydroxide can be used.  Don't use chlorinated hydrocarbons like dichloromethane, aromatics like xylene and carbon disulfide. All other solvents not mentioned can be used after checking solubility.

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