<s>
The	O
Chromic	B-Algorithm
acid	I-Algorithm
cell	I-Algorithm
was	O
a	O
type	O
of	O
primary	B-Algorithm
cell	I-Algorithm
which	O
used	O
chromic	O
acid	O
as	O
a	O
depolarizer	B-Algorithm
.	O
</s>
<s>
The	O
old	O
name	O
for	O
potassium	O
dichromate	O
was	O
potassium	O
bichromate	O
and	O
the	O
cell	O
was	O
often	O
called	O
a	O
Bichromate	B-Algorithm
cell	I-Algorithm
.	O
</s>
<s>
The	O
cell	O
was	O
set	O
up	O
in	O
a	O
long-necked	O
glass	O
bottle	O
with	O
a	O
zinc	B-Application
plate	O
located	O
between	O
two	O
carbon	O
plates	O
.	O
</s>
<s>
The	O
electrolyte	O
and	O
depolarizer	B-Algorithm
were	O
mixed	O
.	O
</s>
<s>
The	O
mixture	O
would	O
dissolve	O
the	O
zinc	B-Application
plate	O
even	O
when	O
the	O
cell	O
was	O
not	O
in	O
use	O
,	O
so	O
there	O
was	O
a	O
mechanism	O
for	O
lifting	O
the	O
zinc	B-Application
plate	O
out	O
of	O
the	O
liquid	O
and	O
storing	O
it	O
in	O
the	O
neck	O
of	O
the	O
bottle	O
.	O
</s>
<s>
Inside	O
the	O
porous	O
pot	O
was	O
dilute	O
sulfuric	O
acid	O
,	O
the	O
zinc	B-Application
rod	O
,	O
and	O
a	O
small	O
quantity	O
of	O
mercury	O
.	O
</s>
<s>
The	O
mercury	O
formed	O
an	O
amalgam	O
with	O
the	O
zinc	B-Application
and	O
this	O
reduced	O
"	O
local	O
action	O
"	O
,	O
i.e.	O
</s>
<s>
unwanted	O
dissolution	O
of	O
the	O
zinc	B-Application
when	O
the	O
cell	O
was	O
not	O
in	O
use	O
.	O
</s>
