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 $76.00
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
English
Format
Secure PDF
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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.
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