Headspace analysis of aqueous solutions coupled with a selective absorption of the gas-extractant
Abstract
A new headspace gas chromatographic technique was developed, involving analyte concentrating
through selective sorbtion of gas-extractant. Carbon dioxide was used as a gas-extractant due to opportunity
to be sorbed selectively by solid sodium hydroxide. In instance of aromatic and aliphatic hydrocarbons is
shown possibility to increase analyte concentration in gas phase and, thus, sensitivity by a factor of at least
ten in case of no reaction between analytes and sorbent.
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References
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