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
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(s):
StableFlex™ 1CM SPME FIBER PK3,AUTO,50/30UM DVB/CARBOXEN-PDMS
About This Item
Recommended Products
Product Name
SPME Fiber Assembly, 50/30µm DVB/CAR/PDMS, StableFlex (1 cm), needle size 24 ga, Autosampler, pk of 3, plain gray hub
material
StableFlex fiber
plain gray hub
Quality Level
needle size
24 ga
packaging
pk of 3
greener alternative product characteristics
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)
technique(s)
solid phase microextraction (SPME): suitable
fiber L
1 cm
matrix
Carboxen® carbon molecular sieve
matrix active group
50/30µm DVB/CAR/PDMS
DVB/CAR/PDMS coating
application(s)
food and beverages
compatibility
Autosampler
for analyte group flavors (volatiles and semivolatiles, C3-20) (MW 40-275)
greener alternative category
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General description
Application
Other Notes
Footnote
Legal Information
Choose from one of the most recent versions:
Certificates of Analysis (COA)
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Protocols
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.
Chromatograms
application for SPME, suitable for GC-
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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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 answer-
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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