Page 187 - The Periodic Table Book
P. 187
Uses
This bromine salt
was used in the late
19th century to help Fire
patients sleep. extinguisher
Bromine chemical test kit extinguisher uses a The Halogen Group
This fire
non-flammable,
bromine-rich gas
to extinguish fires.
This image was created
when light reacted with
silver bromide.
The colours on Photograph negative
this test kit show
how much bromine
is in the water.
Bromine
was used as a
weapon
in World War I.
The fabric used to make
this suit contains bromine
compounds that make it fireproof.
ANTOINE-JÉRÔME BALARD
Crusts of bromine
salts form along
the Israeli shoreline. In 1826, French chemist
Antoine-Jérôme Balard
discovered bromine. He
heated seawater from Fireproof suit
salt marshes, and after
most of the water had
evaporated, he passed
chlorine gas through what
was left. The remaining
liquid turned orange-red:
this was bromine.
The Dead Sea Coast
use of this element is as a disinfectant to clean can be used in film photography in which
water. It works better than chlorine in hot tubs images are printed using chemicals on
as chlorine escapes into the air easily from negatives. Today, bromine is mainly used
the warm water. The concentration of bromine in fireproof material, such as firefighter
in swimming pools can be regulated using suits or furnishings, because it doesn’t
chemical test kits. Bromine compounds catch fire easily. 185
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