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Petroleum Hydrocarbons in Soil

Focusing on measurements set up, calculation and presentation of the (imaginary) results of analysis, create ≤ 2 pptx slides on one of the following topics: . Petroleum Hydrocarbons in Soil. Purpose : to analyze petroleum hydrocarbon concentrations in soil for regulatory compliance

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Petroleum Hydrocarbons in Soil

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  1. Focusing on measurements set up, calculation and presentation of the (imaginary) results of analysis, create ≤ 2 pptx slides on one of the following topics:

  2. PetroleumHydrocarbons in Soil • Purpose: to analyzepetroleumhydrocarbonconcentrations in soil for regulatorycompliance • Volatilesamplespreserved in sodiumbisulfate and methanol, semi-volatilesamplesunpreservedjars. Allsamplespreserved on ice.

  3. Petroleum Hydrocarbons in Soil C6-C10 hydrocarbons + Methanol (1:2) Mixing Decantation Chromatograms and calibration data allow determining the amount of hydrocarbons (mg/kg) by measuring areas below representative peaks C10-C50 hydrocarbons + 50:50 n-hexane:acetone (1:20) Soxhlet extraction Cleanup with silica gel Heavy hydrocarbons Gravimetric determination He 100% poly(dimethylsiloxane) Minimumlenght: 35m Maximum diameter: 0,53 mm • Calibration: known amounts of hydrocarbons are mixed with an organic solvent and analyzed through gas chromatography • Average response factor is calculated

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