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RHENIUM Method 264.2 (Atomic Absorption, furnace technique) OptImum ConcentratIOn Range 0 5-5 mg/l Detection LImit o2mg/l Preparation of Standard Solution 1 2 3 Sample 1 Sample 1 Stock solutIOn Prepare as deSCrIbed under "direct aspiratIOn method" Prepare dllutIOns of the stock solutIOn to be used as cahbratIOn standards at the time of analysIs ThesesolutIOnsarealsotobeusedfor"standardadditIOns" The cahbratlon standards should be dlluted to contam 1% (vIv) HN03 Preservation For sample handhng and preservatIOn, see part 4 1 of the AtomiC AbsorptIOn Methods sectIOn ofthis manual Preparation Prepare as deSCrIbed under "direct aspiratIOn method" Sample solutIOns for analysIs should contam 1%(v/v) HN03 Instrument Parameters (General) 1 Drymg Time and Temp 30sec-125°C 2 Ashmg Time and Temp 30 sec-300°C 3 Atomlzmg Time and Temp 10 sec-2800°C 4 Purge Gas Atmosphere Argon 5 Wavelength 346 0 nm 6 Other operatmg parameters should be set as speCified by the particular mstrument manufacturer AnalySIS Procedure 1 For the analysIs procedure and the calculatIOn, see "Furnace Procedure" part 9 3 of the AtomiC AbsorptIOn Methods sectIOn of this manual *Not ASSigned Issued 1978 2642-1 STORET NO. Total*PDF Image | Methods for Chemical Analysis of Water and Wastes
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