00733nam a2200229 a 45000010005000000030008000050050017000130080041000300350018000710400026000890410008001150820024001231000021001472450067001682500011002352600045002463000016002915040019003075050127003266500022004536500028004755259BD-RjUL20211208234034.0170504s1963    un de||| |||| 001 0 eng d  a(BD-RjUL)5295  aBD-RjULbengcBD-RjUL  aeng04a543.8bWES 19632231 aWelcher, Frank J  aStandard Methods of Chemical Analysis /cFrank Johnson Welcher  a6th ed  aNew York :bVan Nostrand Com. ,c1963-66  av. ;c21cm.  aIncludes Index0 aVol. 2. pt. A. Industrial and natural products and noninstrumental methods -- v. 3. Instrumental methods.pt. A.-- pt. B.--07aChemical analysis07a  Chemistry, Analytic.