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Optimum Concentration Range DetectIOn LImIt: 02 ug/l 1-30 ug/l , MANGANESE Method 243.2 (Atomic Absorption, furnace technique) PreparatIOn of Standard SolutIOn 1 StocksolutIOn Prepareasdescnbedunder"dIrectaspIratIOnmethod" 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 dIluted to contam 0 5% (vIv) HN03 Sample Preservation 1 For sample handhng and preservatIOn, see part 4 I of the AtomIC AbsorptIOn Methods sectIOn of thIS manual Sample Preparation 1 Prepare as descnbed under "dIrect aspIratIOn method" Sample solutIOns for analysIs shouldcontamO 5% (v/v)HN03 Instrument Parameters (General) 1 DrymgTImeandTemp 30sec-125°C 2 AshmgTlmeand Temp 30sec-1000°C 3 Atomlzmg TIme and Temp 10 sec-2700°C 4 Purge Gas Atmosphere Argon 5 Wavelength 279 5 nm 6 Other operatmg parameters should be set as speCIfied by the particular mstrument manufacturer AnalYSIS Procedure 1 For the analysIs procedure and the calculatlOn, 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 Approved for NPDES Issued 1978 2432-1 STORET NO. Total 01055 Dissolved 01056 Suspended 01054PDF Image | Methods for Chemical Analysis of Water and Wastes
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