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ISO 9455-9:1993

Soft soldering fluxes — Test methods — Part 9: Determination of ammonia content

Standard Details

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.

General Information

Status : WITHDRAWN
Standard Type: Main
Document No: ISO 9455-9:1993
Document Year: 1993
Pages: 4
Edition: 1

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WITHDRAWN
ISO 9455-9:1993
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