Methods for Chemical Analysis of Water and Wastes

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Methods for Chemical Analysis of Water and Wastes ( methods-chemical-analysis-water-and-wastes )

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Notes 2 3. 4 5 1 The above concentratlOn values and mstrument conditlOns are for a Perkm-Elmer HGA- 2100, based on the use ofa 20 ul mJectlOn, contmuous flow purge gas and non-pyrolytic graphIte Background correctlOn may be reqUIred Ifthe sample contams hIgh dIssolved solIds NItrogen may also be used as the purge gas For every sample matrIX analyzed, verIficatlOn IS necessary to determme that method of standard additlOn IS not reqUIred (see part 5 2 1 of the AtomIC AbsorptlOn Methods sectlOn ofthis manual) Ifmethod ofstandard addItlO~IS reqUIred, follow the procedure gIven earlIer m part 8 5 ofthe Atomic AbsorptIon Methods sectlOn ofthIS manual Precision and Accuracy 1 PrecIsion and accuracy data are not avaIlable at thIS tIme 2672-2 l' 1

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