000 00399nam a2200145Ia 4500
008 140317s9999 xx 000 0 und d
082 _a543
100 _aWelcher,F.J.
245 _aStandard methods of chemical analysis.6th ed.Vol.II.
260 _aN.J.
_bD.Van Nostrand
_c1963
300 _a1282
650 _aChemistry and Allied Sci.
653 _aChemistry and Allied Science
942 _2ddc
_cBK
999 _c3075
_d3075