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
Wichtige Dokumente
57329-U
SPME Fiber Assembly
DVB/CAR/PDMS, for use with autosampler, Nitinol-core (NIT), 24 ga, 50 μm (DVB layer), 30 μm (CAR/PDMS layer)
Synonym(e):
STABLEFLEX 1CM-SPME-FASER 3 STÜCK (AUTO) 50/30μM DVB/CARBOXEN-PDMS™
About This Item
Empfohlene Produkte
Produktbezeichnung
SPME-Faseranordnung Divinylbenzol/Carboxen/Polydimethylsiloxan (DVB/CAR/PDMS), 50/30µm DVB/CAR/PDMS, StableFlex (1 cm), needle size 24 ga, Autosampler, pk of 3, plain gray hub
Materialien
StableFlex fiber
plain gray hub
Qualitätsniveau
Kanülengröße
24 ga
Verpackung
pk of 3
Grünere Alternativprodukt-Eigenschaften
Waste Prevention
Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
df
30 μm (CAR/PDMS layer)
50 μm (DVB layer)
Methode(n)
solid phase microextraction (SPME): suitable
Faser L
1 cm
Matrix
Carboxen® carbon molecular sieve
Aktive Matrixgruppe
50/30µm DVB/CAR/PDMS
DVB/CAR/PDMS coating
Anwendung(en)
food and beverages
Kompatibilität
Autosampler
for analyte group flavors (volatiles and semivolatiles, C3-20) (MW 40-275)
Grünere Alternativprodukt-Kategorie
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Allgemeine Beschreibung
Anwendung
Sonstige Hinweise
Fußnote
Rechtliche Hinweise
Anwendung
Hier finden Sie alle aktuellen Versionen:
Analysenzertifikate (COA)
It looks like we've run into a problem, but you can still download Certificates of Analysis from our Dokumente section.
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Protokolle
High performance, reliability, and reproducibility of HS-SPME in combination with GC/MS for the determination of VOCs in water was proven in an interlaboratory trial. The new ISO 17943 using HS-SPME is an improvement on existing official methods for this determination in terms of sensitivity and selectivity.
Die hohe Leistungsfähigkeit, Zuverlässigkeit und Reproduzierbarkeit der HS-SPME in Kombination mit GC/MS für die Bestimmung von VOC in Wasser wurde in einem Ringversuch nachgewiesen. Die neue ISO 17943 unter Einsatz von HS-SPME stellt eine Verbesserung der bestehenden offiziellen Methoden für diese Bestimmung in Bezug auf Empfindlichkeit und Selektivität dar.
Chromatograms
application for SPME, suitable for GC-
How can I determine the shelf life / expiration / retest date of this product?
1 Antwort-
Hilfreich?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 Antwort-
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
Hilfreich?
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I’m using this SPME fiber for VOC extraction and GC-MS analysis. I have one fiber and two batches of 25 samples each to process. Could you recommend the best cleaning method between measurements to prevent contamination? Thank you for your help.
1 Antwort-
For cleaning, immerse the fiber in methanol for 15 to 30 minutes. Allow the fiber to dry completely in a clean environment. Avoid contact with fingers or any contaminated surfaces. After cleaning, the fiber may need conditioning by exposure to the sample matrix or a standard solution before use.
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