00429nam a22001337a 450000500170000002000180001708200170003510000400005224501070009225000120019926000490021130000180026065000170027820260723124357.0  a9789351420880  a543.07 CHA.T  aChatwal, Gurdeep R aAnand, Sham K   aInstrumental methods of chemical analysis : analytical chemistry / Gurdeep R Chatwal and Sham K Anand   a5th ed.  aMumbai :bHimalaya Publoishing House,c2024.  axiv, 2.780p.   aSpectroscopy