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TANTALO (Ta)
•Anders Gustaf Ekeberg.
• Discovered in 1820.
• Maximum oxidation state on group 5.
• Hard, heavy and malleable.
• Transition metal.
• Greyish blue.
• Metal shine.
• Corrosion resistant.
• High fusion point.
• Good electrical and heat conductor.
• Resistant at acids attacks.
• Dissolution “ácido fluorhídrico”
“fusión alcalina”
• Tántalo Zeus’ son and Niobe’s father.
• Related to resistant at acids.
• Fabrication of electrolytic condenser.
• Essential component of compact and electronic
dispositive.
• Cause of change in chemist reactions.
• It’s extracted from tantalite.
• It appeared mixed with “columbita” “coltan”
80% of global reserves.
IMPORTANCE OF RECYCLE:
• Important conductor.
• Located principally in Africa (Congo).
• It cause lot of exploitation.
• Getting 1 kilo 2/3 deaths Bad work conditions.
800 €
END