Résumé
The method consists in distilling of the ammonia from an alkaline solution, absorbing in an excess of standard volumetric sulphuric acid solution and back-titrating with standard volumetric sodium hydroxide solution. It is applicable only in the absence of urea or its derivatives, of cyanamide and of organic nitrogenous compounds.
Informations générales
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État actuel: PubliéeDate de publication: 1981-05Stade: Norme internationale à réviser [90.92]
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Edition: 1Nombre de pages: 4
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Comité technique :ISO/TC 134ICS :65.080
- RSS mises à jour
Cycle de vie
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Actuellement
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Sera remplacée par
ProjetISO/CD 5314