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
18919-1AMP
F.A.M.E. Mix, C4-C24
certified reference material, wt. % (varied)
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About This Item
Recommended Products
grade
certified reference material
Quality Level
form
solid
CofA
current certificate can be downloaded
packaging
pkg of 100 mg
concentration
wt. % (varied)
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
application(s)
food and beverages
format
neat (solventless)
functional group
carboxylic acid
ester
shipped in
dry ice
storage temp.
−20°C
Related Categories
Application
Other Notes
Analyte
Application
related product
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 3 - Eye Dam. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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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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In which solvent do I need to dissolve this product (18919-1 AMP) in order to use it in the HPLC device?
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Appropriate solvents for FAMEs include Dichloromethane, Chloroform, Hexane, and Toluene. Other prepared FAME mixes are in Dichloromethane and are tested by HPLC. To review sample Certificates of Analysis of these product, which includes Method Parameters, see the links below:
https://www.sigmaaldrich.com/certificates/Graphics/COfAInfo/Supelco/pdf/CSISO2015/CRM47801_XA17796V.PDF
https://www.sigmaaldrich.com/certificates/Graphics/COfAInfo/Supelco/pdf/201812/CRM47885_XA23076V.PDFHelpful?
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What methyl esters are contained in Product No. 18919-1AMP F.A.M.E. Mix C8-C24?
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Product No. 18919-1AMP contains a neat mixture of C8, C10, C12, C14, C16:0, C16:1, C18:0, C18:1, C18:2, C18:3, C18:3, C20, C22, C24 methyl esters.
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What is the difference between the F.A.M.E. Products 18919-1AMP and 47885-U?
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Product 18919-1AMP, C4-C24 FAME (Fatty Acid Methyl Ester) Mix, is a neat mixture of 37 FAMEs; it contains no solvent. Product 47885-U contains the same 37 components, but they are diluted to 10 mg of total FAME per mL in methylene chloride.
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What is the dilution solvent used in F.A.M.E. Mix, C4-C24 Unsaturates - analytical standard, Product 18919-1AMP?
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Product 18919-1AMP is a neat mixture of 37 FAMEs (Fatty Acid Methyl Esters); there is no solvent present.
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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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Are there instructions on how to use F.A.M.E. Mix, C4-C24 Unsaturates - analytical standard, Product 18919-1AMP?
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This product (18919-1AMP) is intended for use as an analytical standard. Specific usage instructions can not be given because there is more than one correct way to use the product. If you have a specific usage question, please contact Supelco Technical Service for details --> [email protected]
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