Pb 210 dating services

Subsequently, they are cut into slices of approximately 1 cm and dried, whereupon the content of dry matter and possibly the loss on ignition are determined.The result of the dating is delivered in the form of a report stating the age of the sediment, the rate of sedimentation, the mixing depth and the mixing intensity.Most Cs-137 movement in the environment is by physical processes making Cs-137 an exceptional tracer for studying erosion and sedimentation.

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The lead isotope enters the earth’s crust or the water through precipitation.In addition to the mentioned rates, the dating may also give a picture of the stability of the sediments and thus tell whether the chronology of the layers is intact or whether the activity of the benthic fauna has changed the chronology by bioturbation.Local changes of current conditions may also cause changes of the chronology of the layers.Furthermore, the 210Pb method may be used to carry out a sensitivity analysis to estimate the suitability of the sediment to repeated monitoring of, for instance of changes in the flux of contaminants in the sediments.We have been providing radioisotope dating services for over 30 years and have dated cores from around the world (See the map below).

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