The blank is low, but the sample is strangely high.”“Is it safe to use the usual isotope for this sample?”“Can I assume it’s ...
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New substitution method enables high-precision nuclear reaction measurements using natural copper
A joint research team has made important progress in the field of photoneutron cross section measurement. The team proposed a substitution measurement method that avoids the use of expensive and ...
Position-specific isotope analysis (PSIA) is a technique that measures the isotope composition of a certain position in a molecule. It can provide valuable information of the formation mechanisms of a ...
Authors T.B. Coplen, J.K. Böhlke, P. De Bievre, T. Ding, N.E. Holden, J.A. Hopple, H.R. Krouse, A. Lamberty, H.S. Peiser, K. Revesz, S.E. Rieder, K.J.R. Rosman, E ...
A new laser-based method allows scientists to detect the isotope concentration of different chemicals in a gas in a short time. Measuring the relative abundance in a material of two isotopes of the ...
Observations reveal that a particular planetary nebula — the ejected envelope of an old star — is unusually enriched in rare carbon, nitrogen and oxygen isotopes. The finding could help to explain the ...
Authors S. A. Halldorsson, P. Scarsi, T. Abebe, T. Evans, Justin T. Kulongoski, P. R. Castillo, P. H. Barry ...
Like everything we see in the world, isotopes are a type of atom, the smallest unit of matter that retains all the chemical properties of an element. Isotopes are forms of a chemical element with ...
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