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Ammoniacal silver solution according to Tollens

Translation of "Ammoniacal silver solution according to Tollens " (English → French) :

TERMINOLOGY
see also In-Context Translations below
ammoniacal silver solution according to Tollens

solution ammoniacale d'argent selon Tollens
IN-CONTEXT TRANSLATIONS
4.3. Ammoniacal silver solution, according to Tollens

4.3. Solution ammoniacale d'argent selon Tollens


When using any ammoniacal silver solution safety goggles must be worn.

Lors de l'emploi de toute solution ammoniacale d'argent, il est strictement prescrit de porter des lunettes de sécurité.


Add ammonia solution (4.2) until slightly alkaline and add 30 ml of warm ammoniacal silver nitrate (4.3) in order to precipitate the yellow silver complex of the cyanamide.

Alcaliniser légèrement avec la solution d'ammoniaque (4.2.) et ajouter en agitant 30 ml de solution ammoniacale chaude de nitrate d'argent (4.3.) pour précipiter le composé argentique jaune de cyanamide.


Determine the ammoniacal nitrogen content on 25 ml of this solution according to Method 2.1.

Prélever 25 ml et déterminer l'azote ammoniacal selon la méthode 2.1.


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Add to the ammoniacal solution 50 ml of silver nitrate solution 0 71 N (3.5) (or more if necessary), place a small funnel over the volumetric flask and heat the mixture over a boiling water bath for one hour.

Ajouter à la solution ammoniacale 50 ml de solution de nitrate d'argent 0,1 N (3.5) (ou plus si nécessaire), surmonter le ballon jaugé d'un petit entonnoir et chauffer le mélange pendant une heure sur un bain d'eau bouillante.




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Date index: 2021-09-18
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