Red phosphorus in ampoule. Retort and furnace arranged crude phosphorus - thus this insipid inert white ash left when bones are burnt is made to yield this extraordinary body phosphorus. A sample of phosphorus in a bottle is displayed along with matches. An attempt is made to light a piece of muslin impregnated with ammonium phosphate - prevents combustion. Phosphine gas is prepared by placing a piece of phosphorus in sodium hydroxide solution.
Coal gas is bubbled through as the solution is heated.
As the bubbles of phosphine generated above reach the air, they ignite and form smoke rings of phosphoric acid. Faraday's meaning is unclear but presumably the ignition of the phosphine would be more brilliant in oxygen than in air. Bottles of gas - may be thus preserved a few hours. Faraday's meaning is unclear. Burn writing paper Burn paper to produce charcoal or carbon - black insoluble substance.