Jacqueline Benefield
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View article: Chemical Composition of Leachates from Hydraulic Fracturing Proppants from Surficial Releases in Southeastern New Mexico
Chemical Composition of Leachates from Hydraulic Fracturing Proppants from Surficial Releases in Southeastern New Mexico Open
Resin-coated proppants (RCPs) are used in hydraulic fracturing of oil and gas wells to improve well performance; however, these proppants could be a cause for environmental concern if they are disposed of improperly. In this study, we inve…
View article: Standard atomic weights of the elements 2021 (IUPAC Technical Report)
Standard atomic weights of the elements 2021 (IUPAC Technical Report) Open
Following the reviews of atomic-weight determinations and other cognate data in 2015, 2017, 2019 and 2021, the IUPAC (International Union of Pure and Applied Chemistry) Commission on Isotopic Abundances and Atomic Weights (CIAAW) reports c…
View article: USGS44, a new high‐purity calcium carbonate reference material for <i>δ</i> <sup>13</sup> C measurements
USGS44, a new high‐purity calcium carbonate reference material for <i>δ</i> <sup>13</sup> C measurements Open
Rationale The stable carbon isotopic ( δ 13 C) reference material (RM) LSVEC Li 2 CO 3 has been found to be unsuitable for δ 13 C standardization work because its δ 13 C value increases with exposure to atmospheric CO 2 . A new CaCO 3 RM, …
View article: Variation of lead isotopic composition and atomic weight in terrestrial materials (IUPAC Technical Report)
Variation of lead isotopic composition and atomic weight in terrestrial materials (IUPAC Technical Report) Open
The isotopic composition and atomic weight of lead are variable in terrestrial materials because its three heaviest stable isotopes are stable end-products of the radioactive decay of uranium ( 238 U to 206 Pb; 235 U to 207 Pb) and thorium…
View article: IUPAC Periodic Table of the Elements and Isotopes (IPTEI) for the Education Community (IUPAC Technical Report)
IUPAC Periodic Table of the Elements and Isotopes (IPTEI) for the Education Community (IUPAC Technical Report) Open
The IUPAC (International Union of Pure and Applied Chemistry) Periodic Table of the Elements and Isotopes (IPTEI) was created to familiarize students, teachers, and non-professionals with the existence and importance of isotopes of the che…