div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader039fdocumentsnetreader039viewer20220404015e773ef0d4673d683c25116chtml5page1jpg target=_blank img data-url=documentnorma-yo-mtodo-de-referencia-nmx-bb-040-scfi-1999-mtodos-generales-de-anlisishtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: laboratoriofermicomlaboratoriofermicomwp-contentuploads20180818 · Norma yo método de referencia: NMX-BB-040-SCFI-1999 Métodos generales de análisis Determinación loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsnetreader039viewer20220404015e773ef0d4673d683c25116chtml5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader039fdocumentsnetreader039viewer20220404015e773ef0d4673d683c25116chtml5page2jpg target=_blank img data-url=documentnorma-yo-mtodo-de-referencia-nmx-bb-040-scfi-1999-mtodos-generales-de-anlisishtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: laboratoriofermicomlaboratoriofermicomwp-contentuploads20180818 · Norma yo método de referencia: NMX-BB-040-SCFI-1999 Métodos generales de análisis Determinación loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsnetreader039viewer20220404015e773ef0d4673d683c25116chtml5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader039fdocumentsnetreader039viewer20220404015e773ef0d4673d683c25116chtml5page3jpg target=_blank img data-url=documentnorma-yo-mtodo-de-referencia-nmx-bb-040-scfi-1999-mtodos-generales-de-anlisishtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3:...