000 00431 a2200145 4500
080 _a543
_bH 824 O
245 1 _aOfficial methods of analysis of the association of official analytical chemists
_cedited by W. Horwitz
250 _a11th edn.
260 _aWashington
_bAssociation of Official Analytical Chemists
_c1970
650 _aChemistry
700 _aHorwitz, W., ed.
100 _a
_d
300 _a1015 p.
901 _a178086
999 _c67122
_d67122