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LI JIFU;DUAN SHIRONG;WU XI;YU XUEREN China Institute of Atomic Energy P. O. Box 275, Beijing. DETERMINATION OF FREE ACID IN HIGH LEVEL LIQUID WASTES BY MEANS OF FIXED pH VALUE[J]. Atomic Energy Science and Technology, 1991, 25(1): 68-68. DOI: 10.7538/yzk.1991.25.01.0068
Citation: LI JIFU;DUAN SHIRONG;WU XI;YU XUEREN China Institute of Atomic Energy P. O. Box 275, Beijing. DETERMINATION OF FREE ACID IN HIGH LEVEL LIQUID WASTES BY MEANS OF FIXED pH VALUE[J]. Atomic Energy Science and Technology, 1991, 25(1): 68-68. DOI: 10.7538/yzk.1991.25.01.0068
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DETERMINATION OF FREE ACID IN HIGH LEVEL LIQUID WASTES BY MEANS OF FIXED pH VALUE

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    • Abstract
  • For the determination of free acid in high level liquid wastes, 8% potassiumoxalate solution with pH 6.50 as a complex agent of hydrolizable ion is added to1AW and the solution is titrated with standard sodium hydroxide to reach theoriginal pH value. The quantity of free acid is calculated by standard sodiumhydroxide consumed. This method is simple, rapid and accurate. The ralative error of analysis isless than ±4%. The average percentage of recovery is 99. 6--101. 0%.
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