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
NIST1649B
Urban dust
NIST® SRM® 1649b
Synonyme(s) :
City Dust
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1 740,00 $
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About This Item
1 740,00 $
Produits recommandés
Qualité
certified reference material
Niveau de qualité
Conditionnement
pkg of 2 g
Fabricant/nom de marque
NIST®
Application(s)
industrial hygiene
Format
matrix material
Catégories apparentées
Description générale
SRM 1649B _SDS
SRM 1649B _CoA
Application
Caractéristiques et avantages
- Accompanied with certificate documenting NIST-certified and non-certified values for PAHs, nitro-PAHs, PCB congeners, chlorinated pesticides, and inorganic constituents.
- Certified values are metrologically traceable to the International System of Units (SI) and SI-derived units of mass fraction.
- The NIST certificate is provided with storage, use and maintenance instructions.
Informations légales
Produit(s) apparenté(s)
Code de la classe de stockage
13 - Non Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
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Certificats d'analyse (COA)
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How can I determine the shelf life / expiration / retest date of this product?
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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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