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1 2 3 Sample 1 Sample 1 Stock solutlOn Prepare as descrIbed under "dIrect aspiratlOn method" Prepare ddutlOns of the stock solutlOn to be used as cahbratlOn standards at the time of analysIs ThesesolutlOnsarealsotobeusedfor"standardadditlOns" The cahbratlOn standard should be dIluted to contam 0 5% (vIv) HN03 PreservatIon For sample handlmg and preservatlOn, see part 4 1 of the AtomIC AbsorptlOn Methods sectlOn of thIS manual PreparatIOn Prepare as descrIbed under "dIrect aspiratlOn method" Sample solutlOns for analysIs should contam 0 5% (v/v)HN03 COPPER Method 220.2 (Atomic Absorption, furnace technique) Optimum ConcentratIOn Range: Detection LImIt: 1 ug/l PreparatIOn of Standard SolutIOn 5-100 ug/l Instrument 1 DrymgTImeandTemp 30sec-125°C 2 AshmgTimeandTemp 30sec-'90O°C 3 AtomIzmg TIme and Temp 10 sec-2700°C 4 Purge Gas Atmosphere Argon 5 Wavelength 3247nm 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 AbsorptlOn Methods sectlOn of thIS manual Notes 1 The above concentratlOn values and mstrument conditlOns are for a Perkm-Elmer HGA- 2100, based on the use of a 20 ul mJectlOn, contmuous flow purge gas and non-pyrolytIc Approved for NPDES Issued 1978 Parameters (General) 2202-1 STORET NO. 01042 Dissolved 01040 Suspended 01041PDF Image | Methods for Chemical Analysis of Water and Wastes
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