ᱪᱷᱟᱸᱪ:CIAAW2013/doc

{{CIAAW2013}} adds a full reference (<ref>...</ref>) for the standard atomic weight (A_{r, standard}) of chemical elements as defined by IUPAC (commission: CIAAW). The source is:

• Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna; Loss, Robert D.; Walczyk, Thomas; Prohaska, Thomas (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305. {{cite journal}}: Unknown parameter |displayauthors= ignored (help)

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Notes

• This report was published in February 2016, while it documents the 2013 CIAAW list publication.
• As CIAAW publishes the atomic weights biannually, in 2015 the website published a new list of standard atomic weights. It appears that in 2015, only the formal standard atomic weight of ytterbium (₇₀Yb) was changed wrt the "2013" publication.

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{{CIAAW2013|plain}} → Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna; Loss, Robert D.; Walczyk, Thomas; Prohaska, Thomas (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305. {{cite journal}}: Unknown parameter |displayauthors= ignored (help)

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CIAAW

Primarily, the atomic weights second here are defined by CIAAW [᱑]:

• "Standard Atomic Weights". Commission on Isotopic Abundances and Atomic Weights (CIAAW). 2015. Retrieved 2015-09-20. (68 elements)
• CIAAW also published additional lists in spreadsheet format (2013, no longer available). They had additional conventional values for trade usage, and some background information on the numbers and calculations. (12 elements: H, B, Br, C, Cl, Li, Mg, N, O, S, Si, Tl).

Coplen, Tyler B.; Brand, Willi A. (2013), Atomic weights of the elements 2013 (xls), CIAAW

• Some unstable elements can naturally occur, and so are listed (4 elements: Bi, Th, Pa, U)
• Additional values are those of the most stable isotopes, as given in List of chemical elements (34 elements). This source is not supported by the CIAAW publications.
• CIAAW site or table 1 in PAC, has footnotes g, m, r.

CIAAW updated values

  (This list: )

CIAAW may publish changes to atomic weights (including its precision and derived values). Since 1947, any update this is done in uneven years nominally; the actual date of publication may be some time later.

• 2009 {{CIAAW2009}} (introducing interval notation; Ge):

"Atomic weights of the elements 2009 (IUPAC Technical Report)". Pure Appl. Chem. 83 (2): 359–396. 12 December 2010. doi:10.1351/PAC-REP-10-09-14.

• 2011 {{CIAAW2011}} (interval for Br, Mg):

"Atomic weights of the elements 2011 (IUPAC Technical Report)". Pure Appl. Chem. 85 (5): 1047–1078. 29 April 2013. doi:10.1351/PAC-REP-13-03-02.

• 2013 {{CIAAW2013}} (all elements listed):

Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna; Loss, Robert D.; Walczyk, Thomas; Prohaska, Thomas (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305. {{cite journal}}: Unknown parameter |displayauthors= ignored (help)

• 2015 {{CIAAW2015}} (ytterbium changed):

"Standard Atomic Weight of Ytterbium Revised". Chemistry International. 37 (5–6): 26. October 2015. doi:10.1515/ci-2015-0512. eISSN 0193-6484. ISSN 0193-6484.

• 2017 {{CIAAW2017}} (14 values changed):

"Standard atomic weights of 14 chemical elements revised". CIAAW. 2018-06-05.

See also

• {{Standard atomic weight of the elements}} -- Overview of atomic weights
• {{Infobox element/symbol-to-saw}} -- Centralised data for the atomic weights (single point of edit)

References

These references will appear in the article, but this list appears only on this page.