back titration of barium hydroxide
A method of flow injection back titration is disclosed for providing on-line chemical analyses of a process stream where the species of interest is not directly titratable.
V2= the volume in ml of the 0,1 mol/l sodium hydroxide solution used for back titration.
When all the chloride is converted to silver chloride, the silver nitrate left behind is estimated by back titration against a standard solution of potassium thiocyanate.
The back-titrant is allowed to react with the sample and then the remaining back-titrant is reacted with the titrant.
A stream of titrant is formed and then a sample and an excess of back-titrant are added to the stream of titrant.
The reaction is monitored, and the concentration of the component of interest in the sample is determined from time it takes for the back-titrant to be substantially consumed by the titrant.
The precipitate is dissolved in a solution of hydrochloric acid and measured by back-titration with sodium hydroxide solution.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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