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Newsletter for the Association of Applied Geochemists NUMBER 157DECEMBER 2012Particle size fractionization and chemical speciation of FREE in a lateritic weathering profile in Western Australia Introduction Physical
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How to fill out ree chemistry and sm-nd

01
To fill out REE (rare earth elements) chemistry, collect samples of rocks or minerals containing REE.
02
Extract the REE from the samples using chemical processes such as acid digestion or ion exchange resin.
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Analyze the concentration of individual REE using techniques like ICP-MS (inductively coupled plasma mass spectrometry) or XRF (X-ray fluorescence).
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Report the results in appropriate units such as ppm (parts per million) or %.
05
To fill out SM-Nd (samarium-neodymium) chemistry, collect samples of rocks or minerals containing these elements.
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Separate the samarium and neodymium from the samples using methods like chromatography or solvent extraction.
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Analyze the isotopic composition of samarium and neodymium using techniques like TIMS (thermal ionization mass spectrometry) or MC-ICP-MS (multi-collector inductively coupled plasma mass spectrometry).
08
Calculate the age of the sample based on the isotopic ratios of samarium and neodymium, using the decay constant of 147Sm to 143Nd.

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Archaeologists and anthropologists may use SM-Nd analysis to trace the origins of artifacts and understand ancient trade routes.
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Environmental scientists may use REE chemistry to monitor pollution levels in water sources or soil samples.
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REE chemistry refers to the study of rare earth elements and their compounds, while SM-ND likely refers to a specific type of reporting or regulation pertaining to their use and management, particularly in environmental and safety contexts.
Entities involved in the handling, use, or reporting of rare earth elements, including manufacturers, importers, and researchers, are typically required to file REE Chemistry and SM-ND.
Filling out REE Chemistry and SM-ND typically involves providing detailed information on the quantities of rare earth elements used, their applications, safety measures in place, and any environmental impact assessments that may be necessary.
The purpose of REE Chemistry and SM-ND is to ensure the proper management and reporting of rare earth elements to protect public health, ensure environmental safety, and comply with regulatory requirements.
The report must include information such as the types and amounts of rare earth elements, their usage, safety protocols, disposal methods, and any incidents related to their handling.
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