ISO 9455-9:1993
Soft soldering fluxes; test methods; part 9: determination of ammonia content

Standard No.

ISO 9455-9:1993

Release Date

1993

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 9455-9:2020

Latest

ISO 9455-9:2020

Scope

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.

ISO 9455-9:1993 history

• 2020 ISO 9455-9:2020 Soft soldering fluxes — Test methods — Part 9: Determination of ammonia content
• 1993 ISO 9455-9:1993 Soft soldering fluxes; test methods; part 9: determination of ammonia content