addition of sulphuric acid, changes to a violet, if nitric acid be present. Upon conducting the disengaged gas into a solution of narcotine, the latter acquires a beautiful red color. Another portionof the residue should deflagrate when saturatedanbsp;...
|Title||:||Legal Chemistry: A Guide to the Detection of Poisons, Examination of Tea, Stains, Etc.|
|Author||:||J. P. Battershall|
|Publisher||:||Library of Alexandria -|