Sky Bear Technical Standards - Home
Search
×
FR

Placeholder headline

This is just a placeholder headline

B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

$

362

BUY NOW

ISO 7408:1983

ISO 7408:1983 Fertilizers – Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide – Titrimetric method

CDN $85.00

Description

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.

Edition

1

Published Date

1983-12-01

Status

PUBLISHED

Pages

5

Language Detail Icon

English

Format Secure Icon

Secure PDF

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.

Previous Editions

Can’t find what you are looking for?

Please contact us at: