Resumen
This document specifies a spectrophotometric method for the determination of the phosphorus content in nickel, ferronickels and nickel alloys between 0,000 5 % (by mass) and 0,05 % (by mass).
Arsenic, chromium, hafnium, niobium, silicon, tantalum, titanium and tungsten interfere, but the interferences can be avoided by complexation or volatilization (for chromium). The lowest phosphorus content [0,000 5 % (by mass)] can only be reached in samples with low contents of these interfering elements.
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Informaciones generales
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Estado: PublicadoFecha de publicación: 2021-12Etapa: Norma Internacional publicada [60.60]
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Edición: 2Número de páginas: 9
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Comité Técnico :ISO/TC 155
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Ciclo de vida
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Anteriormente
RetiradaISO 11400:1992
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Ahora
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