ISO 1915:1972
Boric oxide for industrial use — Determination of boric oxide content — Volumetric method
Reference number
ISO 1915:1972
ISO 1915:1972
Edición 1
1972-05
1972-05
© ISO 2024
Retirada
Resumen
The method is based on titration of dissolved test portion with a standard volumetric solution of sodium hydroxide in the presence of mannitol or sorbitol, using phenolphthalein as indicator. Water, free from carbon dioxide, shall be used in the test.
Ciclo de vida
¿Tiene alguna duda?
Consulte nuestras Ayuda y asistencia
Atención al cliente
+41 22 749 08 88
Horario de asistencia:
De lunes a viernes - 09:00-12:00, 14:00-17:00 (UTC+1)