00528nam a22001577a 450000500170000001000140001702000250003103500130005603700130006908200110008210000140009324500840010726000460019127001050023730000280034220100727162050.0  aENG-97055  a9788190794909c65.00  aEN-80588  bDBAD/PUB  a546.22  aKannan, R  aWater chemistry:bphysico - chemical analysis of drinking water /cby R. Kannan  aTamilnadubSri Murugan Publicationsc2008  aRajarajan Vaniga Vaniga Valaga Arangam (New Thiruvalluvar Theatre) Thanjavur-1, TamilnadubTamilnadu  a70p.:bill.c20cm (pbk)