By T.R. Crompton
This practice-oriented guidebook collects approximately all equipment released in view that 1975 at the chemical research of seawaters. specified descriptions of either classical and such a lot complicated physico-chemical and chemical recommendations together with forty five tables and forty eight figures make this quantity a useful resource for analysts, oceanographers, fisheries specialists, politicians and selection makers engaged in seawater environmental safeguard. The tools are provided in a logical demeanour in order that the reader can without problems discover ways to practice them.
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Extra resources for Analysis of Seawater : A Guide for the Analytical and Environmental Chemist
The cross-contamination of samples and the loss of the analyte can be reduced by rinsing the container with clean water or solvent which is then processed with the sample, or by extracting the sample in the container. 4 Sample Contamination During Analysis The environment in which samples are collected and processed during an oceanographic cruise would be considered unacceptable by any non-oceanographic microanalysis laboratory. On even the best-planned oceanographic vessels the space in which the samples are taken, the winch room and the wet lab, are normally awash in seawater, with a thin ﬁlm of oil over most of the exposed surfaces.
Most of the changes taking place in stored seawater are due to biological, and principally bacterial, reactions. In one sense, it might seem strange that removing a sample of water from the ocean complete with its normal bacterial complement should result in any increase in bacterial activity. However, the factor controlling bacterial activity seems to be the available surface area, since free ﬂowing bacteria are not usually growing actively [48, 49]. Thus, enclosing a sample of seawater in a bottle serves to furnish the free-ﬂoating bacteria with a large surface to which they can cling and upon which they can multiply.
Carr RA, Wilkniss PE (1973) Environ Sci Technol 7:62 63. Feldman C (1974) Anal Chem 46:99 64. Fitzgerald WF (1979) Distribution of mercury in natural waters. In: Nriagu JO (ed) The Biogeochemistry of Mercury in the Environment. Elsevier, Amsterdam, The Netherlands 65. Olaffson J (1981) Trace Metals in Seawater. In: Wong CS et al. (eds) Proceedings of a NATO Advanced Research Institute on Trace Metals in Seawater, 30/3-3/4/81, Sicily, Italy. Plenum Press, New York, NY, USA 66.