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Notes 1 The above concentratiOn values and Instrument cond1tiOns are for a Perkin-Elmer HGA- 2100, based on the use of a 20 ul inJectiOn, continUOUS flow purge gas and pyrolytic graph1te Smaller S1ze furnace devlCes or those employing faster rates of atom1zatiOn can be operated USing lower atom1zatiOn temperatures for shorter t1me penods than the above recommended settings 2 Background correctiOn may be reqUlred 1fthe sample containS h1gh d1ssolved sohds 3 Because ofposs1ble chem1cal interactiOn, mtrogen should not be used as the purge gas 4 Foreverysamplematnxanalyzed,venficatiOn1Snecessarytodeterminethatmethodof standard add1tion 1S not reqUlred (see part 5 2 1 of the Atom1c AbsorptlOn Methods sectiOn ofth1s manual) 5 If method of standard add1tiOn 1S reqUlred, follow the procedure g1ven earher In part 8 5 ofthe Atom1c AbsorptlOn Methods sectiOn ofth1s manual 6 Data to be entered Into STORET must be reported as ug/l Precision and Accuracy 1 Prec1s10n and accuracy data are not aval1able at th1s t1me 2862-2PDF Image | Methods for Chemical Analysis of Water and Wastes
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