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BERYLLIUM Method 210.2 (Atomic Absorption, furnace technique) OptImum ConcentratIOn Range: DetectIon LImIt 0 2 ug/1 1-30 ug/1 PreparatIOn of Standard SolutIOn 1 Stock solutIOn- Prepare as descnbed under "dIrect aspIratIOn method" 2 Prepare dl1utIOns of the stock solutIOn to be used as cahbratIOn standards at the tIme of analysIs ThesesolutIOnsarealsotobeusedfor"standardaddItIons" 3 The cahbratIOn standard should be dl1uted to contam 0 5% (vIv) HN03 Sample PreservatIon' 1 For sample handhng and preservatIon, see part 4 I of the AtomIc AbsorptIOn Methods , sectIon ofthIS manual Sample PreparatIOn I Prepare as descnbed under "dIrect aspIratIOn method" Sample solutIOns for analysIs should contam 0 5% (vIv) HN03 Instrument Parameters (General) 1 DrymgTIme and Temp 30sec-125°C 2 AshmgTImeand Temp 30 sec-1OO0°C 3 AtomIzmg TIme and Temp 10 sec-2800°C 4 Purge Gas Atmosphere Argon 5 Wavelength 234 9 nm 6 The 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 Notes 1 The above concentratIOn values and mstrument condItIOns are for a Perkm-Elmer HGA- 2100, based on the use of a 20 ul mJectIOn, contmuous flow purge gas and non-pyrolytIc graphIte Smaller SIze furnace devIces or those employmg faster rates of atomIzatIOn can Approved for NPDES Issued 1978 210 2-1 STORET NO. 01012 Dissolved 01010 Suspended 01011PDF Image | Methods for Chemical Analysis of Water and Wastes
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