Cis-Trans Isomer Standard Mixture, 5.5 mg/ml  5ml methylene chlorideCis-Trans Isomer Standard Mixture, 5.5 mg/ml 5ml methylene chloride
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Cis-Trans Isomer Standard Mixture, 5.5 mg/ml 5ml methylene chloride

Cis-Trans Isomer Standard Mixture(qualitative mix)

This fatty acid methyl ester mixture contains cis and trans isomers of several fatty acids in methylene chloride for the qualitative identification of unknowns. The product is a naturally occurring mixture from margarine and is an excellent standard for identifying unknown fatty acid isomers in samples. Because it is extracted from natural sources, relative peak sizes for the mixture may vary from lot to lot. This is a qualitative mixture and should not be used for quantitative purposes. Composition: This is a qualitative standard containing in order of elution:,C16:0,C18:0,C18:1 trans isomers (4 peaks),C18:1 cis & trans isomers (2 peaks),C18:1 cis isomers (4 peaks),C18:2,C20:0,C20:1 and,C18:3 (same peak),C22:0
Cat# Size Price Qty Buy
1131 5.5 mg/ml, 5ml £156.40

Additional Information

Property Value or Rating
Product Size 5.5 mg/ml, 5ml
Manufacturer Matreya, LLC
Formula Weight 0
Solvent 5ml methylene chloride
Source margarine
Analytical Methods GC
Natural Source Margarine
Solubility methylene chloride; chloroform
Physical Appearance A 5.5 mg/ml mixture in methylene chloride
Storage -20°C

1. Z. Li, T. Gu, B. Kelder and J. J. Kopchick “Analysis of fatty acids in mouse cells using reversed-phase high-performance liquid chromatography” Chromatographia, Oct. Vol. 54 pp. 463-467, 2001 
2. L. D. Metcalfe, A. A. Schmitz, J. R. Pelka “The Rapid Preparation of Fatty Acid Esters from Lipids for Gas Chromatographic Analysis” Analytical Chemistry, March, Vol. 38(3) pp. 514-515, 1966 
3. Isomer identification from: W.M. Nimal Ratnayake, Journal of AOAC International, Vol. 87 pp. 523-539, 2004

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