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View Actual EPA Method 213.1 (PDF File)
EPA Method 213.1:Cadmium by Flame AA. Official Name: Cadmium (Atomic Absorption, Direct Aspiration)
Summary:A sample prepared according to EPA Method 200.0 is analyzed using a flame atomic absorption spectrometer. Specifications for instrument operation and preparation of standards are provided.
Scope:This method determines cadmium by flame atomic absorption spectrometry. Samples pretreatment according to EPA Method 200.0 determines the applicability.
Citation:Methods for the Chemical Analysis of Water and Wastes (MCAWW) (EPA/600/4-79/020)
Interferences:For additional interferences see EPA Method 200.0.
QC Requirements:QC requirements for drinking water procedures are provided in method 200.0
Maximum Holding Time:6 months (MCAWW, Table 1).
Media:WATER
Subcategory:Inorganic
Concentration:50 - 2,000 ug/L (optimal range); 25 ug/L (sensitivity).
Sample Prep:200
Precision:Precision and accuracy values were calculated using data from a 73 laboratory study that analyzed fortified natural water samples. Additional data are available in the method.
Detection:-
Revision Number:Issued 1971; Editorial Revision 1974