00421    a2200133   4500020001500000040001300015082001000028110001600038245005300054260004500107300003400152500005100186650005000237  a8121903599  aDLCbDLC  a660.2  aDara, S. S.  aA textbook of engineering chemistrycS. S. Dara.  aNew Delhi :bS. Chand & Co Ltd.,cc1986.  axvi, 762 p. :bill. ;c24 cm.  aIncludes bibliographical references and index.  a1.Chemistry, Technical. 2.Chemistry Analytic.