Unresolved complex mixture
Unresolved complex mixture (also UCM or hump) is a feature frequently observed in gas chromatographic (GC) data of crude oils and extracts from organisms exposed to oil. The reason for the UCM hump appearance is that GC cannot resolve and identify a significant part of the hydrocarbons in crude oils. The resolved components appear as peaks while the UCM appears as a large background/platform. In non-biodegraded oils the UCM may comprise less than 50% of the total area of the chromatogram, while in biodegraded oils this figure can rise to over 90%. UCMs are also observed in certain refined fractions such as lubricating oils and references therein.
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Unresolved complex mixture
Unresolved complex mixture (also UCM or hump) is a feature frequently observed in gas chromatographic (GC) data of crude oils and extracts from organisms exposed to oil. The reason for the UCM hump appearance is that GC cannot resolve and identify a significant part of the hydrocarbons in crude oils. The resolved components appear as peaks while the UCM appears as a large background/platform. In non-biodegraded oils the UCM may comprise less than 50% of the total area of the chromatogram, while in biodegraded oils this figure can rise to over 90%. UCMs are also observed in certain refined fractions such as lubricating oils and references therein.
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Unresolved complex mixture (al ...... ed health in wild populations.
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Unresolved complex mixture (al ...... oils and references therein.
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Unresolved complex mixture
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