Uploaded September 2019 | Updated September 2026, 2 weeks ago
Testing for ammonium ions. Usually one is told to add the alkali and boil to test for ammonia with moist red litmus. Here in real time, I add 0.4M sodium hydroxide to 0.1M ammonium chloride on a polypropylene sheet with instructions inserted inside at room temperatures and let the molecules do the work by diffusing over the litmus.
Testing for ammonium ions. Usually one is told to add the alkali and boil to test for ammonia with moist red litmus. Here in real time, I add 0.4M sodium hydroxide to 0.1M ammonium chloride on a polypropylene sheet with instructions inserted inside at room temperatures and let the molecules do the work by diffusing over the litmus.
