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Normas ASTM – AENOR
ASTM D3717-85a(2010)

ASTM D3717-85a(2010)

Standard Test Method for Low Concentrations of Antimony in Paint by Atomic Absorption Spectroscopy

Fecha:
2015-06-12 /Historical
Superseeded by:
Significance and Use:

The permissible level of heavy metals in certain coatings is specified by governmental regulatory agencies. This test method provides a fully documented procedure for determining low concentrations of antimony present in both water- and solvent-reducible coatings to determine compliance.

Scope:

1.1 This test method covers the determination of the content of antimony in the range between 50 and 200 ppm (mg/kg) present in the solids of liquid coatings or in dried films obtained from previously coated substrates. There is no reason to believe that higher levels could not be determined by this test method, provided that appropriate dilutions and adjustments in specimen size and reagent quantities are made.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, 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, antimony; low concentration of antimony in paints; Spectroscopy--atomic absorption; AAS--trace metals in paints; Antimony content; Antimony oxide; Coatings (paint/related applications); Latex paints; Low concentrations (of elements); Solventborne paints/coatings
45,36
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