Uploaded October 2021 | Updated September 2026, 2 weeks ago
One drop of 2M ammonia and 1drop of concentrated hydrochloric acid are added to empty blister packs, either side of a strip of damp UI paper. See the laser light is scattered by the ammonium chloride aerosol.
One drop of 2M ammonia and 1drop of concentrated hydrochloric acid are added to empty blister packs, either side of a strip of damp UI paper. See the laser light is scattered by the ammonium chloride aerosol.










