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Retention Time Marker Standard



Used during initial sample screening, to determine retention time windows for each petroleum product. Gasoline generally elutes in the window from C6 to C10 (or C12), and diesel fuel from C10 (or C12) to C24 (or C28). Retention above C24 (or C28) indicates oil or lubricant contamination.

n-decane (C10)
n-pentacosane (C25)
n-hexatriacontane (C36)
  Description Conc. in Solvent/Volume qty. Cat.# Price     Wish
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  Retention Time Marker Standard 1,000µg/mL each in hexane, 1mL/ampul ea.31637
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State of Alaska
Method and regulatory information is available from:
Alaska Department of Environmental Conservation
410 Willoughby Avenue
Juneau, AK 99801-1795
Phone: (907)465-5203
Fax: (907)465-5218
www.state.ak.us/dec/dspar/stp_home.htm

     
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