Resumen
The principle of the method specified is to distil a prepared flux solution with sodium hydroxide to expel the ammonia present in the flux, to pass the resulting distillate into a standard sulfuric acid solution, to titrate the excess acid with sodium hydroxide solution and to calculate the ammonia content of the flux. Applies to fluxes of class 3.1.1 only, as defined in ISO 9454-1.
Informaciones generales
-
Estado: RetiradaFecha de publicación: 1993-04Etapa: Retirada de la Norma Internacional [95.99]
-
Edición: 1Número de páginas: 4
-
Comité Técnico :ISO/TC 44/SC 12ICS :25.160.50
- RSS actualizaciones
Ciclo de vida
-
Ahora
-
Revisada por
PublicadoISO 9455-9:2020