Erratum to: Isotope-abundance variations and atomic weights of selected elements: 2016 (IUPAC Technical Report)

Abstract

The lower bound of the 10 3 δ 30 Si NBS28 value of "Quartz sandstones" in Fig. 8 should be −7.5 instead of −5.7. p. 1217: The value in column 2 of Table 8 for "Quartz sandstones" should be −7.5 instead of −0.2. p. 1217: The value in column 4 of Table 8 for "Biogenic silica" should be +6.1 instead of +2.5. p. 1217: The reference in the last column for "Biogenic silica" is incorrect and should be Ding et al. [2]. p. 1217: The value in column 2 of Table 9 for "Atmospheric H 2 S" should be −32 instead of −21. The U.S. Geological Survey Data Release [3], which contains an Excel file listing the atomic weight and isotopic abundances for each isotope of each of the twelve elements for each substance and material shown in Fig. 1-12 and Tables 1-12, has been updated [3]. In the Technical Report this data release is identified as "[232]." These data may also be found on the web site of IUPAC's Commission on Isotopic Abundances and Atomic Weights [4].

Trends in an Absorption Column through Mass Transfer Coefficients

“…The molecular weights were taken from a paper done on Molecular weights (Coplen & Shrestha, 2019). Calculations were done using the attached excel document.…”

The Table of Standard Atomic Weights—An exercise in consensus

“…Of the 118 elements, 14 elements having standard atomic weights are expressed as intervals. During the Commission's meeting in 1985 in Lyon, France, 12 the Working Party on Natural Isotopic Fractionation (subsequently named the Subcommittee on Natural Isotopic Fractionation) was formed to investigate the effects of isotope‐abundance variations of elements on their standard atomic weights and atomic‐weight uncertainties 33–37 . That standard atomic weights vary in naturally occurring materials is shown in Figure 2, which shows the variation in atomic weight with isotopic composition of selected lithium‐bearing materials.…”

“…During the Commission's meeting in 1985 in Lyon, France, 12 the Working Party on Natural Isotopic Fractionation (subsequently named the Subcommittee on Natural Isotopic Fractionation) was formed to investigate the effects of isotope‐abundance variations of elements on their standard atomic weights and atomic‐weight uncertainties. 33 , 34 , 35 , 36 , 37 That standard atomic weights vary in naturally occurring materials is shown in Figure 2 , which shows the variation in atomic weight with isotopic composition of selected lithium‐bearing materials. Although the subcommittee was disbanded in 2002, its reports formed the basis of the Commission's decision in 2009 to express standard atomic weights of 10 elements (hydrogen, lithium, boron, carbon, nitrogen, oxygen, silicon, sulfur, chlorine, and thallium) as intervals, in part to indicate that standard atomic weights are not always constants of nature.…”

“…For the 14 elements whose standard atomic‐weight values are expressed as intervals, more precise atomic‐weight values of materials might be obtained by referring to published graphical plots of atomic weight for selected materials and compounds of each of these elements. 17 , 35 , 36 , 37 For example, the atomic weight of lithium in sea water is well defined as a small interval (6.942 28 ± 0.000 07). 37 Possolo et al 55 provide information on determining values and uncertainties of standard atomic weight intervals of elements from specified sources.…”

Variation of lead isotopic composition and atomic weight in terrestrial materials (IUPAC Technical Report)

“…Subsequently, isotopic abundances and atomic-weight values of selected substances for these 12 elements were published [20][21][22][23][24]. At the 2017 Commission meeting in Groningen, Netherlands, argon was assigned a standard atomic weight that was expressed as an interval [25,26].…”