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Scope

1.1 This test method covers the determination of lead contents between 0.01 and 5%, cadmium contents between 50 and 150 ppm (mg/kg), and cobalt contents between 50 and 2000 ppm (mg/kg) present in the nonvolatile portion of liquid coatings or contained in dried films. There is no reason to believe that higher levels of all three elements could not be determined by this test method, provided that appropriate dilutions and adjustments in specimen size and reagent quantities are made.

1.2 Only pigmented coatings were used for evaluating this test method, but there is no reason to believe that varnishes and lacquers could not be analyzed successfully, provided that appropriate precautions are taken.

1.3 This test method is not applicable to the determination of lead in samples containing antimony pigments (low recoveries are obtained).

1.4 If lead is present in the sample to be analyzed in the form of an organic lead compound at a concentration greater than 0.1%, small losses of lead may occur, resulting in slightly poorer precision than shown in Section 12.

1.5 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 7.

Keywords

AAS trace metals in paints; Cadmium content; Coatings; Cobalt content; Heavy metals; Latex paints; Lead content-paints/related coatings/materials; Low concentrations (of elements); Solvent-reducible paints/coatings; Spectroscopy-atomic absorption; Trace lead/cadmium/cobalt paint; lead/cadmium/cobalt content (low concentrations) in nonvolatile portion; of liquid coatings/dried films, by atomic absorption spectroscopy,; test; ICS Number Code 87.040 (Paints and varnishes)

To find similar documents by ASTM Volume:

06.01 (Paint -- Tests for Chemical, Physical, and Optical Properties; Appearance)

To find similar documents by classification:

87.040 (Paints and varnishes Including coating powders, paint coatings and protective paint systems)

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