Standard Test Method for Determining Extractability of Metals from Art Materials

Importancia y uso:

5.1 This acid extraction method is intended to indicate the solubility of metals from art materials in a weak acid medium. This test method may be useful as one indicator of the amount of metal that is readily available for absorption. It is not meant as a replacement for in vivo tests of absorption of a metal.6 Other relevant information, when available, should be included in the overall toxicological assessment of metal-containing art materials, such as physico-chemical properties, toxicokinetics (absorption, distribution, metabolism and excretion), and mechanisms of toxicity of the metal(s) of interest.

5.2 Maximum levels of metal extraction are seen with this test method when results are 250 ppm or less. If results are greater than 250 ppm, the extractant volume should be increased to 100 mL.7

Subcomité:

D01.57

Volúmen:

06.02

Número ICS:

97.195 (Items of art and handicraft)

Palabras clave:

art materials; bioavailability; soluble metals;