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< Environmental Reference Standards < Retention Time Standards

Retention Time Marker - Alaska



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-hexane (C6)
n-decane (C10)
n-pentacosane (C25)
n-hexatriacontane (C36)
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  Retention Time Marker - Alaska 1,000µg/mL in methylene chloride, 1mL/ampul ea.31819
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