International Standard
ISO 10349-5:1992
Photography — Photographic-grade chemicals — Test methods — Part 5: Determination of heavy metals and iron content
Reference number
ISO 10349-5:1992
Edición 1
1992-12
International Standard
Vista previa
ISO 10349-5:1992
21262
No disponible en español
Publicado (Edición 1, 1992)
Esta norma se revisó y confirmó por última vez en 2023. Por lo tanto, esta versión es la actual.

ISO 10349-5:1992

ISO 10349-5:1992
21262
Idioma
Formato
CHF 42
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Resumen

The method is based on preparation of test samples and heavy metals standard solutions, preconditioning them, addition of sodium sulfide solution (for determination of heavy metals) or 1,10-phenanthroline reagent (for determination of iron), dilution with water, mixing well, transfer to two Nessler colour-comparison cylinders, and comparing the colour of both solutions.

Informaciones generales

  •  : Publicado
     : 1992-12
    : Norma Internacional confirmada [90.93]
  •  : 1
     : 3
  • ISO/TC 42
    37.040.30 
  • RSS actualizaciones

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