0187-893X 0187-893X S0187-893X2023000200108 10.22201/fq.18708404e.2023.2.83704 Mexico México Mexico 00 00 2023 00 00 2023 34 2 108 138

2015 5 2 2 196-212 1969 3rd 2012 89 4 4 517-21 2013 40 9-14 2013 14 2 2 92-3 2020 97 6 6 1625-8 BIPM 2018 9th 2015 1st 1982 63 224 224 545-51 1997 13 2014 91 5 5 757-9 2018 62 2 2 159-65 2017 61 1997 59 7 7 428-38 2009 10 3 3 204-18 2000 77 4 4 481-2 2019 96 8 8 1680-5 2018 95 5 5 899-902 2018 95 11 11 2055-8 1980 57 4 4 303 2006 46 3 3 249-64 2012 89 917-20 1992 32 3 3 227-33 Facultad de Química, Universidad Nacional Autónoma de México 2021 Facultad de Química 2023 2015 16 1 1 179-86 2021 98 5 5 1503-17 2014 91 11 11 1855−1859 2012 23 3 3 338-45 2022 99 5 5 1948-56 1995 25 1 1 69-96 2019 96 4 4 613-7 2008 19 3 3 201-6 1999 76 4 4 485-6 2005 82 4 4 547-8 1992 29 6 6 611-28 1958 35 12 12 606 2010 68−81 International Bureau of Weights and Measures 2018 2009 86 10 10 1154-61 1991 7 75-83 2009 10 109-20 1978 55 2 2 104 2015 92 9 9 1514-7 2019 96 6 6 1187−1193 2016 93 9 9 1595-8 2022 99 5 5 3170-6 1932 22 140 140 1-55 1992 69 8 8 613-4 1989 66 11 11 928-30 2004 5 3 3 229-45 1998 35 9 9 1015-29 1968 2013 90 8 8 1035-7 1996 73 6 6 A130-1 2012 89 7 7 832-3 1992 69 3 3 191-6 1988 15 1 1 77-101 2018 112 28-39 2017 94 12 12 1929-32 2016 93 5 5 879-85 2008 30 11 11 1531-50 2014 36 11 11 1871−1901 2006 83 6 6 890-2 2020 97 6 6 1536-42 2014 15 777-86 2000 5 4 4 167-70 2003 80 7 7 779-84 2002 39 3 3 76-80 2021 32 5 5 45-58 2021 98 11 11 3593-9 2022 2022 99 5 5 2999-3006 1972 49 11 11 761-3 1999 76 4 4 481-4 2014 14 167-70 2017 26 51-9 2021 98 535−539 2014 91 8 8 1125-31 2006 83 11 11 1633-7 2007 84 5 5 880-3 2013 90 900-7 2002 I 2002 II 2011 33 2 2 179-95 2008 9 11-7 2010 11 107-17 UNAM 2023 2017 25 1 1 155-66 2003 80 4 4 426-7 2004 88 3 3 465-92 2019 96 11 11 2532-4