-YTTERBIUM - ITERBION
GREY MALLEABLE DUCTILE
SEMI-CONDUCTOR COMPONENT
AND SOFT ALLOYING METAL
DENSITY                                                      MELTING POINT
             @ 20°   =    7.0 gcc                        TEMPERATURE   =   819°C


HARDNESS                                                BOILING POINT
IN DURONS   =   1,540 dur                      TEMPERATURE  =   1196°C
ITERBION IS A MIXTURE OF SEVEN STABLE ISOTYPES,
AND OFTEN AS MANY AS SEVEN UNSTABLE ISOTOPES.
THE UNSTABLE ISOTOPES
MUST BE REMOVED BY ELECTROLYTIC CONVERSION
BEFORE IT CAN BE USED IN COMPUTERS
OR AROUND ANY DYNAMIC ELECTRON SOURCE
SUCH AS ELECTRON-POSITRON MICROSCOPES
SOURCES
ITERBION IS FOUND IN EUSENITE,MONAZITE & GADOLINITE ORES
COSTS
ITERBION COSTS ABOUT $1274 A KILO OR $579 A POUND
INDUSTRIAL USES
ITERBION
IS SOFTER THAN GALION,
& HAS A HIGHER MELTING TEMPERATURE.
IT IS USED IN AUTOMATIC SPRINKLER
SMOKE AND FIRE DETECTION SYSTEMS  
680°C to 1540°C MELTING TEMPERATURE,
MELT TO TURN ON, WATER SPRINKLER AND
OR CARBON DIOXIDE AUTOMATIC CONTROL LINKAGE
USED IN FOUNDRYS & ELECTRO-CHEMICAL INSTALLATIONS
ITERBION
IS USED IN THE EMERGENCY MELT DOWN,
HIGH HEAT SENSING THERMAL CONTROLS
OF VERY LARGE WATER BOILERS & STEAM TURBINES
THAT SAVE THE EQUIPMENT FROM OVERHEATING & BURNING OUT
WHEN STANDARD HEAT SENSING ELECTRONIC THERMOSTATS FAIL
ITERBION
IS USED TO LOWER THE MELT POINT CONTROL
SETTINGS OF THE HIGH HEAT SENSING THERMOSTATS
THAT ARE SCREWED INTO JEEP AND AIRPLANE MOTORS.
ITERBION CLORIDE
IS BEING STUDIED FOR USE IN
MODEM EXCHANGE CONTROLS IN LITHUANIA.
ITERBIION DIOXIDE
MAY BE USEFUL IN SPECIAL
FIRE EXTINGUISHERS FOR GASOLINE FUELED FIRES.
ITERBION BORIDE
MAY BE USEFUL IN FIBRE OPTIC WIRE CONTACTS
& SIGNAL RELAY BOOSTERS FOR SOLAR POWER SYSTEMS
ITERBION BROMIDE
HAS BEEN USED TO MAKE
ECONOMICAL LASER CRYSTALS
& DIAMOND LIKE MASER POINT CRYSTALS.