PRECIOUS METAL  
 

PRECIOUS METAL
SILVER ----- ------ SILVER INGOT, SILVER GRANULE0
PLATINUM------- PLATINUM SPONGE
PALLADIUM----- PALLADIUM SPONGE, PALLADIUM CHLORIDE
RHODIUM-------- RHODIUM POWDER, RHODIUM CHLORIDE
IRIDIUM--------- IRIDIUM POWDER, IRIDIUM CHLORIDE ACID
RUTHENIUM--- RUTHENIUM POWDER
OSMIUM-------- OSMIUM POWDER

 

 
 
PARE METAL  

 

 

RARE METAL
GALLIUM----- GALLIUM INGOT 99.99% MIN.
GERMANIUM-- GERMANIUM DIOXIDE 99.999% MIN.
INDIUM--------- INDIUM METAL 99.99% MIN.
TANTALUM--- TANTALUM PENTOXIDE, POTASSIUM FLUOTANTALATE
NIOBIUM----- NIOBIUM PENTOXIDE
SELENIUM--- SELENIUM METAL IN POWDER 99.5% MIN.
THALLIUM--- THALLIUM METAL 99.99% MIN.
LITHIUM----- LITHIUM METAL, LITHIUM CARBONATE
RHENIUM--- AMMONIUM PERRHENATE(APR)

 

PGM REFERENCE
METAL PLATINUM PALLADIUM GOLD SILVER
CHEMICAL SYMBOL PT PD AU AG
SPECIFIC GRAVITY 21.45 12.00 19.32 10.50
ATOMIC WEIGHT 195.23 106.4 197.2 107.88
MOH`S HARDNESS 4-4 1/2 4-4 1/2 2 1/2-3 2 1/2-3
MELTING POINT 3224.3 2831 1945.4 1760.9

TROY WEIGHT 20DWT = 1 TROY OUNCE=31.103 GRAMS