International Standard
ISO 7252:1984
Paints and varnishes — Determination of total mercury — Flameless atomic absorption spectrometric method
Reference number
ISO 7252:1984
Edición 1
1984-11
International Standard
Vista previa
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ISO 7252:1984
13906
No disponible en español
Publicado (Edición 1, 1984)
Esta norma se revisó y confirmó por última vez en 2018. Por lo tanto, esta versión es la actual.

ISO 7252:1984

ISO 7252:1984
13906
Formato
Idioma
CHF 42
Convertir Franco suizo (CHF) a tu moneda

Resumen

The reference method described is applicable to products having total mercury contents in the range of about 0.01 % (m/m) to 0.5 % (m/m). May also be extended to products with a total content of more than 0.5 % (m/m). The principle of the method consists in the combustion of the test portion with oxygen in an enclosed system. Reduction of the mercury(II) compounds contained in the resulting solution to elementary mercury. Entrainment of the metal in a gas stream at ambient temperature and determination as the monoatomic vapour by cold vapour atomic absorption spectrometry at a wavelength in the region of 253.7 nm.

Informaciones generales

  •  : Publicado
     : 1984-11
    : Cierre de la revisión [90.60]
  •  : 1
     : 6
  • ISO/TC 256
    87.040 
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