Template:LRA 2: Difference between revisions
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Latest revision as of 16:25, 6 February 2017
At each site a composite topsoil (5–20 cm depth) sample comprising five subsamples was collected from the corners and centre of a 20 x 20 m square. After collection samples were air/oven dried and sieved to <2 mm before analysis to determine the total contents of more than 50 chemical elements by X-ray fluorescence spectrometry (XRFS).