00761cam a22002534a 4500003001000000005001700010008004100027020001800068040002500086041000800111044000700119080000800126100002200134245009600156260003400252300002700286504004300313650002600356650003500382650003200417655001900449700002000468700001900488AR-SsjUIB20250710164111.0250429s2001    gw            000 0 eng d  a9783527301621  aAR-SsjUIBcAR-SsjUIB0 aeng  agw  a5431 aStoeppler, Markus10aReference materials for chemical analysis :bCertification, availability, and proper usage.  aWeinheim :bWiley-Vch,c2001.  a297 p. :bil. ;c24 cm  aBibliografía al final de capítulo. 7aCertificación2lemb 7aMateriales de referencia2lemb 7aQuímica analítica2lemb 7aLibro2unescot1 aJenks, Peter J.1 aWolf, Wayne R.