This standard mixture contains octane (CAS No. 111-65-9), nonane (CAS No. 111-84-2), decane (CAS No. 124-18-5), undecane (CAS No. 1120-21-4), dodecane (CAS No. 112-40-3), tridecane (CAS No. 629-50-5), tetradecane (CAS No. 629-59-4), pentadecane (CAS No. 629-62-9), hexadecane (CAS No. 544-76-3), heptadecane (CAS No. 629-78-7), octadecane (CAS No. 593-45-3), nonadecane (CAS No. 629-92-5), and icosane (CAS No. 112-95-8).
04070
Alkane standard solution C8-C20
analytical standard, contains C8-C20, ~40 mg/L each, in hexane
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About This Item
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analytical standard
Nível de qualidade
índice de refração
n20/D 1.375
aplicação(ões)
petroleum
Formato
multi-component solution
Categorias relacionadas
1 of 4
Este Item | 47108 | 04071 | 40147-U |
|---|---|---|---|
| application(s) petroleum | application(s) petroleum | application(s) petroleum | application(s) petroleum |
| format multi-component solution | format multi-component solution | format multi-component solution | format multi-component solution |
| grade analytical standard | grade certified reference material, TraceCERT® | grade analytical standard | grade - |
| refractive index n20/D 1.375 | refractive index - | refractive index n20/D 1.497 | refractive index - |
| Quality Level 100 | Quality Level 300 | Quality Level 100 | Quality Level 300 |
Aplicação
Alkane standard solution C8-C20 has been used as standard in the measurement of retention indices for the identification of alkanes co-existing in essential oils using gas chromatography coupled with mass spectrometry.[1]
Alkane standard solution C8-C20 may also be used as an analytical standard for measurement of linear retention indices (LRI) in the identification of volatile components in honey samples using gas chromatography-mass spectrometry (GC/MS).[2]
Componentes
contains C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20; ~40 mg/l each, in hexane
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 2 - Repr. 2 - Skin Irrit. 2 - STOT RE 1 Inhalation - STOT SE 3
Órgãos-alvo
Central nervous system, Nervous system
Código de classe de armazenamento
3 - Flammable liquids
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
24.8 °F - closed cup
Ponto de fulgor (°C)
-4 °C - closed cup
Equipamento de proteção individual
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Certificados de análise (COA)
Lot/Batch Number
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I cant see a list of the CAS numbers for the added alkanes. Do you have it?
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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
Helpful?
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Are these all n-alkanes? So for example, is the C8 only octane or is it a mixture of isomers? 2-methylheptane, 3-methylheptane, etc. Thank you!
1 answer-
This product contains ~40 mg/l of each C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19 and C20 in hexane.
Helpful?
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