00290nam a2200097Ia 4500008004100000082001300041100002400054245006200078260004400140300000800184140113s9999    xx            000 0 und d  a543   K4  a"Walton, Harold.F."  aPrinciples and methods of chemical analysis : 2nd edition  a1964bPrentice Hall of IndiacNew Delhi  a484