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SCP reference standard

Although the use of SCPs as a means to identify contamination from industrially derived fossil-fuel combustion, or as a technique to provide chronologies for lake sediment cores and other natural archives, is now widely employed, the possibilities for intercalibration between analysts remains limited.

This 2008 paper suggested a set of standard criteria that could be used to positively identify SCPs under the light microscope and also introduced a sediment reference material for SCP analysis.

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210 replicate SCP analyses were undertaken on an homogenized sediment sample compiled from a variety of lake sites. These replicate analyses resulted in an estimated mean SCP concentration of 6005 ± 70 SCP per gram dry sediment (gDM–1). More information is provided in the paper.

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Small quantities of this sediment material are available on request to SCP analysts for the purposes of quality control. Please contact geog.lab@ucl.ac.uk.

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Rose, N.L. (2008). Quality control in the analysis of lake sediments for spheroidal carbonaceous particles. Limnology and Oceanography: Methods. 6: 172 – 179.  https://doi.org/10.4319/lom.2008.6.172

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