Guia docente 2012_13 Facultade de Ciencias do Mar

Contents

Topic	Sub-topic
Techniques for sampling and preparation of sample.	General oceanographic material. Filtration of sample.
Biogenic gases .	Variable methodologies of the System of the CO2: Alkalinity, potentiometric and spectrophotométric determination of pH, partial pressure of CO2, Total Inorganic Carbon. Dissolved oxygen .Dimethyl sulphide.
Methodologies of nutrients in continuous flow.	Nitrate, nitrite, ammonium, phosphate and silicate.
Characterisation of organic matter	Dissolved and Particulate Organic Carbon and Nitrogen. Humic material. Amino acids and carbohydrates. Photosynthetic pigments.
Gas tracers.	Chlorofluorcarbonate compounds: CFC 11 and 12
Determination of isotopes	Tracers: Helium, tritium, 13C and 14C, 15N, 230Th, 231Pa, Pb and Nd. Large volume samples: 85Kr, 39Ar.
Analysis of bioactive trace elements.	Clean techniques for sampling. Determination of total content and speciation.
Determinación of marine contaminants of natural and anthropogenic origin.	Organochlorade y halocarbonate compounds. Marine biotoxins.