00433pab a2200133 454500008004000000100001700040245013500057260000900192300001400201362000800215650001600223700001700239773004300256180718b2003   xxu||||| |||| 00| 0 eng d  aSingh, Kaman  aPoly-vinyl Alcohol (PVA) and Malachite Green: a new Reagent System for the microdetermination of phosphate in water and wastewater  c2003  ap.203-08.  aJul  aWaste water  aShukla, A.K.  aIndian Journal of Environmental Health