search:iupac atomic weight相關網頁資料

      • www.chem.qmul.ac.uk
        The full text of the IUPAC table of atomic weights IUPAC Commission on Isotopic Abundances and Atomic Weights. ... World Wide Web version of atomic weight data originally prepared by G. P. Moss, from a file provided by D. R. Lide. Previous values may be,
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      • goldbook.iupac.org
        PREVIOUS A00505 NEXT atomic units atomization in analytical flame spectroscopy atomic weight See: relative atomic mass Source: Green Book, 2nd ed., p. 41 PAC, 1996, 68, 957 (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC ...
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    日期:2024-04-25
    relative atomic mass (atomic weight), The ratio of the average mass of the atom to the unified ... Source: Green Book, 2nd ed., p. 41 PAC, 1996, 68, 957 (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) .....
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    日期:2024-04-20
    Both the terms relative atomic mass and atomic weight are sometimes loosely used to refer to a technically different standardized ... Both terms are officially sanctioned by IUPAC. The term "relative atomic mass" now seems to be gaining as the preferred t...
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    日期:2024-04-22
    These values remain current until the IUPAC sees the need to revise them. Values given by the [a;b] notation highlights the range of atomic weights for the element. For these elements, the atomic weight is dependent on the physical and chemical history of...
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    日期:2024-04-25
    Units atomic mass units Notes The table below shows the IUPAC 2007 atomic weights (refs 3-5). Values for elements 110-118 are in references 6-15. The standard atomic weights apply to the elements as they exist naturally on Earth, and the uncertainties tak...
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    日期:2024-04-19
    Atomic Weights and IUPAC’s Subcommittee for Isotopic Abundance Measurement, and analytical thinker—a long-time friend ... Element name Symbol Atomic number Atomic weight See also Footnotes Table/Figure 16 sulfur S [32.059; 32.076] 6/9 17 chlorine ......
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    日期:2024-04-25
    The atomic weight A r (E) of element E is defined by the International Union of Pure and Applied Chemistry (IUPAC) as the relative molar mass 12M(E)/M(12 C), where M(E) is the molar mass of the element and M(12 C) is the molar mass of pure carbon-12 ......
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    日期:2024-04-22
    This version of the Periodic table is based on that recommended by the Commission on the Nomenclature of Inorganic Chemistry and ... Pa, and U) do have a characteristic terrestrial isotopic composition, and for these an atomic weight is tabulated. The nam...