EN ISO 9455-9:2020
Current
The latest, up-to-date edition.
Soft soldering fluxes - Test methods - Part 9: Determination of ammonia content (ISO 9455-9:2020)
04-11-2020
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.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.