Biophysico‐Chemical Processes Involving Natural Nonliving Organic Matter in Environmental Systems 2009
DOI: 10.1002/9780470494950.ch11
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Marine Organic Matter

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Cited by 7 publications
(2 citation statements)
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References 130 publications
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“…The heterogeneity of the DOM pool, which covers a broad range of chemical affinities and molecular weights, makes difficult a quantitative and representative extraction with the conventional methods of solid phase extraction (SPE) and ultrafiltration (UF). On the one hand, SPE Amberlite XAD resins and C18 phases separate on basis of the polarity of the substances, retaining the more hydrophobic components that hardly represent more than 1/3 of the bulk DOM (Mopper et al, 2007;Guo and Sun, 2009;Perdue and Benner, 2009). Other sorbents recently used in SPE methods are the commercially pre-packed chemically modified hydrophilic styrene divinyl benzene polymers, particularly PPL, which are able to recover up to about 2/3 of the DOM pool (Dittmar et al, 2008).…”
Section: Introductionmentioning
confidence: 99%
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“…The heterogeneity of the DOM pool, which covers a broad range of chemical affinities and molecular weights, makes difficult a quantitative and representative extraction with the conventional methods of solid phase extraction (SPE) and ultrafiltration (UF). On the one hand, SPE Amberlite XAD resins and C18 phases separate on basis of the polarity of the substances, retaining the more hydrophobic components that hardly represent more than 1/3 of the bulk DOM (Mopper et al, 2007;Guo and Sun, 2009;Perdue and Benner, 2009). Other sorbents recently used in SPE methods are the commercially pre-packed chemically modified hydrophilic styrene divinyl benzene polymers, particularly PPL, which are able to recover up to about 2/3 of the DOM pool (Dittmar et al, 2008).…”
Section: Introductionmentioning
confidence: 99%
“…However SPE methods require low pH and/or the elution with organic solvents, which could alter the structure and composition of the isolated material, specifically resulting in significantly altered optical properties . On the other hand, UF techniques separate the DOM components based upon size, even though the material (hydrophilic or hydrophobic) of the membrane, the operation conditions (filtration pressure, concentration factor) and the matrix effects (e. g., ionic strength and pH) influences the efficiency of the method Perdue and Benner, 2009). UF has the additional advantages of processing large volumes of seawater allowing the isolation of hundreds of milligrams of material and it is thought to yield DOM extracts that are more representative of the original material (Mopper, 1996).…”
Section: Introductionmentioning
confidence: 99%