Root systems of plants draw in water, which contain elements from the interaction with bedrock and overburden soils/sediments. Depending on the size of the plant, the root system and the particular species this up-take of water by the plant can provide the geologist with a significant geochemical signature when certain parts of the plant are sampled.
Bureau Veritas offers two preparation methods for vegetation samples:
- Samples are dried, macerated, and the material is digested with aqua regia, or
- Samples are dried, ashed, and the ashed material is digested with aqua regia.
Ashing is the preferred method if determination of precious metals and other low level elements are required. Vegetation analysis includes BV’s ultra-trace ICP-MS package, which provides the lowest detection limits available.
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