Like, we use alkalimetric titration to calculate the real concentration of table vinegar. What about argentometric titration?


Methods based on precipitation of silver compounds (I) are called collectively argentometric methods. They are most often used for determination of chloride ions, but they can be used also for other halides (bromide, iodide) and some pseudohalides (thiocyanate). Titration is in aqueous solution against a solution of silver nitrate of known concentration for silver (I) salts that give an insoluble precipitate. wikipedia overview here

An example of a lab procedure is here 2

It is also possible to use indirect argentometric methods for determination of anions, that create insoluble salts with silver (I) (for example phosphate PO4, arsenate AsO4 and chromate CrO4). These methods are based on back titration of excess silver with standardized thiocyanate solution.

more detail here

  • $\begingroup$ I'm sorry, but the last link doesn't seem to work, $\endgroup$ – Aury Sep 11 '18 at 16:58
  • $\begingroup$ @Aury Fixed I hope $\endgroup$ – Waylander Sep 11 '18 at 17:30
  • $\begingroup$ @Aury please accept the answer if you are happy with it $\endgroup$ – Waylander Sep 11 '18 at 22:26

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