A note on further refinements to a procedure for the extraction of carbonaceous fly-ash particles from sediments
Received: 26 January 1994 Accepted: 04 May 1994 DOI:
10.1007/BF00686866 Cite this article as: Rose, N.L. J Paleolimnol (1994) 11: 201. doi:10.1007/BF00686866 Abstract
This paper describes improvements to a previously published technique for the extraction of carbonaceous fly-ash particles from sediments. By using test-tubes in a water-bath rather than beakers on a hot-plate, the number of simultaneous preparations that can be done is increased and the length of time spent on the preparations and the amounts of hazardous chemicals used is reduced. As the digestion vessel remains the same throughout the procedure, potential loss of particles due to transfer of material between vessels is also minimised, whilst keeping sensitivity, accuracy and detection limit the same.
Key words atmospheric pollutants sediments fossil-fuels carbonaceous particulates References
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