Page 61 - The Periodic Table Book
P. 61
Uses JOHAN GOTTLIEB GAHN
Pineapple In 1774, Swedish chemist Johan Gottlieb
Jefferson nickel manganese dioxide with charcoal – which
Oats Gahn discovered manganese by reacting
contains
carbon –
under a lot
of heat. The
carbon took
the oxygen Transition Metals
Mussel away from the
Hazelnut compound,
Manganese- leaving
rich food behind pure
manganese.
This US coin from
World War II was made
using manganese and
silver because nickel These steel
was in short supply. tracks have
manganese added
to them to make
them stronger.
Dry cell battery Unleaded petrol This petrol contains a
manganese compound,
which is less toxic than lead.
Railway tracks
This battery contains The black
Laboratory sample of pure manganese
manganese dioxide. colour comes from
manganese dioxide.
Purple glass bottle
This glass is coloured
by adding a manganese
Lascaux cave paintings, France compound called permanganate.
from mussels, nuts, oats, and pineapples. The are also added to petrol and used to clean
applications of manganese include its use in impurities from glass to make it clear or to
strengthening steel, which is used in making give it a purple colour. In prehistoric times,
railway tracks and tank armour. Certain dry the compound manganese dioxide was
cell batteries carry a mixture containing crushed to make the dark colours used in
manganese oxide. Manganese compounds cave paintings. 59
058-059_Manganese.indd 59 05/01/17 2:49 pm