Resumen
Applicable to products having a normal composition for which the molar ratio NaF/AlF3 is equal to about 3. Dissolution of a test portion in concentrated suphuric acid and elimination of hydrogen fluoride. Treatment with hydrochloric acid and water. Atomization of the solution into an acetylene measurement of the absorption of the 309.3 nm line emitted by an aluminium hollow cathode lamp. Has also been approved by the IUPAC.
Preview
Previsualice esta norma en nuestra Plataforma de navegación en línea (OBP)
Informaciones generales
-
Estado: PublicadoFecha de publicación: 1973-12Etapa: Norma Internacional confirmada [90.93]
-
Edición: 1Número de páginas: 3
-
Comité Técnico :ISO/TC 226ICS :71.060.50
- RSS actualizaciones
Ciclo de vida
Got a question?
Check out our FAQs
Customer care
+41 22 749 08 88
Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)