A cotton swab is dipped into concentrated hydrochloric acid (producing hydrogen chloride gas) while a second on is dipped into concentrated aqueous ammonia (producing ammonia gas). Both cotton swabs ...

Unlike the other tests described on this page, the test for carbonate ions works whatever acid is added. Explain why, in a test for sulfate ions, the sample is acidified with hydrochloric acid first.

Purification of the initial generator eluate are performed using a miniaturized column with organic cation-exchanger resin(50WX4 @ BioRad) and 9N hydrochloric acid eluent for Ga68 ion adsorbed, and to ...