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
11982
Adsorbente polimerico poroso Tenax®
matrix Tenax TA, 60-80 mesh, bottle of 10g
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Informazioni su questo articolo
Nome del prodotto
Adsorbente polimerico poroso Tenax®, matrix Tenax TA, 60-80 mesh, bottle of 10 g
agency
suitable for EPA 601
Quality Segment
form
solid
packaging
bottle of 10 g
parameter
350 °C temp. limit
surface area
~35 m2/g
matrix
Tenax TA
particle size
60-80 mesh
density
~0.25 g/mL (free fall density)
General description
Per maggiori informazioni su qualsiasi nostro adsorbente visitare sigma-aldrich.com/adsorbents
Application
- 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).
- Idrocarburi C7-C26 in campioni di aria nell′ambiente e VOC in campioni d′aria in ambienti di lavoro prima della loro analisi mediante TD seguita da GC.
Legal Information
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Questo articolo | |||
|---|---|---|---|
| description matrix Tenax TA, 60-80 mesh, bottle of 10 g | description matrix Tenax GR, 20-35 mesh, bottle of 500 g | description matrix Tenax TA (refined), 60-80 mesh, bottle of 100 g | description matrix Porapak Q, 80-100 mesh, bottle of 75 cc |
| surface area ~35 m2/g | surface area ~25 m2/g | surface area ~35 m2/g | surface area ~550 m2/g |
| form solid | form solid | form solid | form solid |
| particle size 60-80 mesh | particle size 20-35 mesh | particle size 60-80 mesh | particle size 80-100 mesh |
| matrix Tenax TA | matrix Tenax GR | matrix Tenax TA (refined) | matrix Porapak Q |
| density ~0.25 g/mL (free fall density) | density ~0.40 g/mL (free fall density) | density - | density ~0.34 g/mL (free fall density) |
| parameter 350 °C temp. limit | parameter 350 °C temp. limit | parameter 350 °C temp. range | parameter 250 °C temp. limit |
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Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Classe di stoccaggio
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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How can I determine the shelf life / expiration / retest date of this product?
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Hello, I have a question regarding the use of Tenax as sampling medium. Acc. to DIN ISO 16000-6, VOCs in air can be determined using Tenax TA. Can you tell me whether Tenax TA can also be used to determine VOCs from CO2 or NOX gases?
1 answer-
The Tenax® Porous Polymer Adsorbent can be used for sampling volatile organic compounds from air and gas samples; therefore, it is applicable for determining VOCs from CO2 or nitrogen dioxide gases.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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Can tenax be restored in laboratory oven at 40 *C temperature?
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The Tenax® Porous Polymer Adsorbent can be regenerated by hot-methanol extraction.
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What is the Department of Transportation shipping information for this product?
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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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What solvents can be used for chemical desorption for Product No. 11982, Tenax TA 60-80 mesh?
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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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