00358nam a2200133Ia 4500008004100000041000800041082001400049100001900063245004600082250001800128260005600146300000800202650001400210230711s9999||||xx |||||||||||||| ||und||  aENG  a660bEW-I  aEwing,Galen W. 0aInstrumental methods of chemical analysis  a1st . . . Ed.  c1990aNew DelhibTata McGraw Hill Education Limited  a670  aChemistry