ISO 7408:1983

Published (Edition 1, 1983)

This publication was last reviewed and confirmed in 2023. Therefore this version remains current.

ISO 7408:1983

CHF 42

Convert Swiss francs (CHF) to your currency

Abstract

The method consists in entraining, by means of a strong current of air, of the ammonia from a moderately alkaline test mixture at ambient temperature into standard volumetric sulfuric acid solution, and back-titrating of the excess sulfuric acid solution with standard volumetric sodium hydroxide solution.

General information

Status
: Published

Publication date
: 1983-12

Stage
: International Standard confirmed [90.93]
Edition
: 1

Number of pages
: 5
Technical Committee :
ISO/TC 134

ICS :
65.080
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