engleski

Surface microlayers study in the sea lake (Rogoznica Lake, Middle Adriatic)

Sea-surface microlayers were studied using electrochemical methods, monolayer techniques and Brewster angle microscopy (BAM). Microlayer samples (ML) and the underlying seawater (ULW) were collected from a Middle Adriatic eutrophicated sea lake Rogoznica in different seasons and different conditions from March 2001 till nowadays. ML were studied in an original sample without any pretreatment and as ex-situ reconstructed films after previous extraction with organic solvents of different polarity. Content of surface active substances in ML and ULW was determined by alternating current voltammetry. Enrichment factors were calculated. The elastic properties of different ML were estimated from surface pressure measurements. BAM was used for optical characterization and visualization of ML.

sea-surface microlayer; electrochemical methods; monolayer techniques; Brewster angle microscopy

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