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Gadolinium (Gd) 24.26Mm Metal Disc 99.9% Pure For Collection Or Experiments
Brand :
Manufacturer : Prince Frederick Store
- Rare Earth Element - Size Of Us Quarter
- One Disc, Measures 24.26 Mm X 1.75 Mm
- Precision Machined From High Purity Metal, Ground Surfaces, And Laser Etched Labels
- Approximate Weight 6.54G
Gadolinium Is A Chemical Element With The Symbol Gd And Atomic Number 64. Gadolinium Is Silvery-White Metal When Oxidation Is Removed. It Is Only Slightly Malleable And Is A Ductile Rare-Earth Metal. Gadolinium Reacts With Atmospheric Oxygen Or Moisture Slowly To Form A Black Coating. Gadolinium Below Its Curie Point Of 20 °C (68 °F) Is Ferromagnetic, With An Attraction To A Magnetic Field Higher Than That Of Nickel. Above This Temperature It Is The Most Paramagnetic Element. It Is Found In Nature Only In An Oxidized Form. When Separated, It Usually Has Impurities Of The Other Rare-Earths Because Of Their Similar Chemical Properties. -Wikipedia Quarter Not Included