International Standard
ISO 6374:1981
Cryolite, natural and artificial, and aluminium fluoride for industrial use — Determination of phosphorus content — Atomic absorption spectrometric method after extraction
Reference number
ISO 6374:1981
Edición 1
International Standard
Vista previa
ISO 6374:1981
No disponible en español
Publicado (Edición 1, 1981)
Esta norma se revisó y confirmó por última vez en 2024. Por lo tanto, esta versión es la actual.

ISO 6374:1981

ISO 6374:1981
CHF 42
Convertir Franco suizo (CHF) a tu moneda


Specifies a method based on the fusion of a test portion with sodium carbonate and boric acid and dissolution in perchloric acid solution, followed by formation of the ammonium molybdophosphate complex and extraction of the complex with isobutyl acetate. The solution is absorbed into an acetylene/dinitrogen monoxide flame and the molybdenum, and hence the phosphorus, is determined by measuring the absorbance of the 379,8 nm line emitted by a molybdenum hollow-cathode lamp.

Informaciones generales

  •  : Publicado
     : 1981-10
    : Norma Internacional confirmada [90.93]
  •  : 1
     : 4
  • ISO/TC 226
  • RSS actualizaciones

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