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In a smgle operator, smgle laboratory sItuatIOn the followmg results were obtamed Sample Matnx Distilled Water Dnnkmg Water River Water Domestic Sewage A verage Stand Dev mgll mg/l 038 002 350 001 097 003 057 002 041 003 ReI Stand Dev % 61 02 26 30 69 For these samples the results were compared to the iOdometnc titratiOn as a means ofobtammg a relative accuracy Sample Matnx Dnnkmg Water RiVer Water Domestic Sewage - Iodometnc TitratiOn mg/l 094 056 050 Amperometnc TitratiOn mg/l % Recovery 097 1032 057 1018 041 820 BIblIography 1 Standard Methods for the ExammatIOn of Water and Wastewater, 14th EdItIOn, p 322, Method 409C (1975) 2 Annual Book of ASTM Standards, Part 31, "Water", Standard D 1253-76, P 277, Method A (1976) 3 Bender, D F , "Companson of Methods for the DetermmatIOn of Total AvaIlable ResIdual Chlonne m Vanous Sample Matnces", EPA Report-600/4-78-o19 330 1-3PDF Image | Methods for Chemical Analysis of Water and Wastes
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