The Dragendorff Reagent
Dragendorff Reagent:
The Dragendorff’s Reagent is used for the detection of Nitrogenous compounds, alkaloids, antiarrhythmic drugs and surfactants and is also good detector for Phenols.
There are two kinds for preparations, each procedure says preparation of Solution A and Solution B, both are then mixed to use.
1st Method:
Solution A: 1.7 g basic bismuth nitrate in 100 ml [...]
