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Hans-Joachim Hübschmann Handbook of GCMS

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Fig. 2.1 Key to choosing SPE columns and eluents. The choice of the SPE phase depends on the molecular solubilityof the sample in a particular medium and on its polarity
Fig. 2.3 Enrichment of a water sample
Fig. 2.4 Apparatus for solid phase extraction
Fig. 2.6 SFE extraction system employing the principle of pressure equivalence (the cartridge with thesample is in a pressure-resistant cylinder, the internal and external pressures on the cartridge are keptequal, ISCO).
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Hans-Joachim Hübschmann Handbook of GCMS

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