Calcine the ore
to convert any sulfides to oxides.
The temperature of the meal rises rapidly during its descent to about 800°c and the particles
partly calcine
before entering the kiln.
Calcined flint, a product used in pottery manufacture.
The residue contained occasional bone ( including fish and
sometimes calcined
), hammerscale, charcoal and cbm.
Calcined bones
buried in a large glass bottle.
Calcined clays
generally provide the best brightness, titanium dioxide extension and dry hide.
Calcined remains.
Calcined fragments
).
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