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The influence of bromide ion on the formation of nonpurgeable organic bromine and nonpurgeable organic chlorine was not studied previously because no analytical technique existed that could separately ...

THE photochemical interaction of chlorine and hydrogen has been recently described as an inexhaustible theme. Despite the fact that it has been the subject of so many carefully performed experimental ...

The production of chlorofluorocarbons, which damage the ozone layer, has been banned as far as possible. However, other substances can also tear holes in the ozone layer in combination with ice ...

As temperatures rise, the siren sound of the swimming pool amplifies. While chemicals like chlorine and bromine do their darndest to kill off bacteria and viruses, some germs stay afloat. Enjoy your ...

SELFOSS, Iceland — Geoscientists have exposed another assault on Earth’s protective ozone layer — not by manufactured chemicals, but by gas ejected in the blasts of huge volcanic eruptions. A new ...