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Topic

Monoisotopic element

About: Monoisotopic element is a(n) research topic. Over the lifetime, 2 publication(s) have been published within this topic receiving 18 citation(s).
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Journal ArticleDOI
TL;DR: A two-step method for purifying Ga from geological (biological) samples for precise measurement of Ga isotope ratio using multicollector inductively coupled plasma mass spectrometry (MC-ICP-MS) and the modified empirical external normalization (MEEN) method gave relatively better precision compared to SSB on Neptune.
Abstract: Though an isotope approach could be beneficial for better understanding the biogeochemical cycle of gallium (Ga), an analogue of the monoisotopic element aluminum (Al), the geochemistry of Ga isotopes has not been widely elaborated. We developed a two-step method for purifying Ga from geological (biological) samples for precise measurement of Ga isotope ratio using multicollector inductively coupled plasma mass spectrometry (MC-ICP-MS). Ga was thoroughly separated from other matrix elements using two chromatographic columns loaded with AG 1-X4 and Ln-spec resin, respectively. The separation method was carefully calibrated using both synthetic and natural samples and validated by assessing the extraction yield (99.8 ± 0.8%, 2SD, n = 23) and the reproducibility (2SD uncertainty better than 0.05‰, n = 116) of the measured isotopic ratio (expressed as δ71Ga). The validation of the whole protocol, together with instrumental analysis, was confirmed by the investigation of the matrix effect, the result of a stan...

17 citations


Journal ArticleDOI
25 Sep 1954-Nature

1 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20161
19541