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Analysis Procedure 1 For analysIs procedure and calculatIOn, see "DIrect AspIratIOn", part 9 1 of the AtomIC AbsorptIOn Methods sectIOn ofthIs manual Interferences 1 WIth the recommended mtrous oXIde-acetylene flame, Interferences ofcalCIUm and other I Ions may be controlled by addIng 1000 mg/1 of a refractory metal such as alumInum [Anal Chern Acta 44,437 (1969)] ThIS should be done to both samples and standards alIke Notes 1 Data to be entered Into STORET must be reported as ug/1 2 For concentratIons of molybdenum below 02 mg/1, the furnace procedure, Method 246 2, IS recommended Precision and Accuracy 1 In a SIngle laboratory (EMSL), USIng a mIxed IndustrIal-domestIc waste effiuent at concentratIOns of 0 30, 1 5 and 75 mg Moll, the standard deVIatIOns were ±O 007, ±O 02 and ±O 07, respectIvely Recovenes at these levels were 100%, 96% and 95%, respectIvely 2461-2PDF Image | Methods for Chemical Analysis of Water and Wastes
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