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Analysis Procedure 1 For the analysIs procedure and the calculatIOn, see "DIrect AspIratIon" part 9 I of the AtomIc AbsorptIon Methods sectIon ofthIS manual Interferences 1 It has been reported that hIgh concentratIons of alummum and tItamum 10crease the sensItIvIty of vanadIUm ThIs 10terference can be controlled by add10g excess alummum (1000 ppm) to both samples and standards [Talanta~,871 (1968)] Notes 1 For concentratIons of vanadIUm below 05 mgll, the furnace procedure, Method 286 2, IS recommended 2 The galhc aCId colonmetnc method may also be used (Standard Methods, 14th EdItIOn, p260) 3 Data to be entered 1Oto STORET must be reported as ug/l Precision and Accuracy 1 In a s10gle laboratory (EMSL), us10g a mIxed 1Odustnal-domestic waste effiuent spIked at concentratIOns of 20, 10 and 50 mg VII, the standard devIatIons were ±O 10, ±O 1 and ±O2, respectIvely Recovenes at these levels were 100%, 95% and 97%, respectIvely 2861-2PDF Image | Methods for Chemical Analysis of Water and Wastes
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