International Standard
ISO 10349-3:1992
Photography — Photographic-grade chemicals — Test methods — Part 3: Determination of matter insoluble in ammonium hydroxide solution
Reference number
ISO 10349-3:1992
Edición 1
1992-12
International Standard
Vista previa
ISO 10349-3:1992
21260
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 10349-3:1992

ISO 10349-3:1992
21260
Idioma
Formato
CHF 42
Convertir Franco suizo (CHF) a tu moneda

Resumen

The method is based on weighing a test portion, dissolution in water, addition of ammonium oxalate solution, diammonium hydrogen phosphate solution and ammonium hydroxide solution, allowing to stand for at least 8 h, filtering out the precipitate through filter paper, transfer of the filter paper with precipitate to a prepared crucible, burning it over a gas burner, incineration of the residue in a furnace, cooling in a desiccator, and reweighing.

Informaciones generales

  •  : Publicado
     : 1992-12
    : Norma Internacional confirmada [90.93]
  •  : 1
     : 2
  • ISO/TC 42
    37.040.30 
  • RSS actualizaciones

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