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4 OXIdant NItrous OXIde 5 Typeofflame Fuelnch AnalYSIS Procedure 1. For the analysIs procedure and the calculatIOn, see "DIrect AspIratIOn" part 9 I of the AtomIC AbsorptIon Me*ods sectIOn of thIS manual Interferences Notes I 1 2. A number of elements mcrease the senSItIvIty of tItamum To control thIS problem, potaSSIUm (1000 mg/l) must be added to standards and samples alIke [AtomIC AbsorptIon Newsletter ~p 86 (1967)] For concentratIOns oftitamum below 1 0 mg/l, the furnace procedure, Method 2832, IS recommended Data to be entered mto STORET must be reported as ug/l Precision and Accuracy 1 In a smgle laboratory (EMSL), usmg a mIXed mdustnal-domestIc waste effluent spIked at concentratIOns of 20, 10 and 50 mg TI/l, the standard deVIatIOns were ±O 07, ±O 1 and ±O 4, respectIvely Recovenes at these levels were 97%,91 % and 88%, respectIvely I 283 1-2PDF Image | Methods for Chemical Analysis of Water and Wastes
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