During the 2013 conclave that led to the election of Pope Francis, the black smoke was produced using a mixture of potassium perchlorate, anthracene (a component of coal tar) and sulfur.

If no pope is chosen, the ballots are mixed with cartridges containing potassium perchlorate, anthracene (a component of coal tar), and sulfur to produce black smoke. But if there is a winner ...

(Black smoke, created by simply burning the ballots with a mixture of potassium perchlorate, anthracene and sulfur signifies the cardinals could not reach a two-thirds consensus on a new pope.

To produce black smoke, a cartridge containing potassium perchlorate, anthracene — the component of coal tar — and sulfur is burned with the ballots. For white smoke, a cartridge of potassium ...

To produce black smoke, a cartridge containing potassium perchlorate, anthracene — the component of coal tar — and sulfur is burned with the ballots. For white smoke, a cartridge of potassium ...

VATICAN CITY — The death of a pope starts a centuries-old ritual involving sacred oaths by the cardinals electing a successor, the piercing of ballots with a needle and thread after they’re ...

If no pope is chosen, the ballots are mixed with cartridges containing potassium perchlorate, anthracene (a component of coal tar), and sulphur to produce black smoke. But if there is a winner ...

To produce black smoke, a cartridge containing potassium perchlorate, anthracene — the component of coal tar — and sulfur is burned with the ballots. For white smoke, a cartridge of potassium ...

During the 2013 conclave that led to the election of Pope Francis, the black smoke was produced using a mixture of potassium perchlorate, anthracene (a component of coal tar) and sulfur.