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Erbium Cube A Unique Metal Cube Made of 99.9% Pure Erbium Plate, Periodic Table Element Cube Collection,Science Gift for Adults,Engraved Erbium Cube + Acrylic Box(Erbium, 0.39inch(10mm))
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*Packaging of actual item may differ from photo shown
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Erbium Cube A Unique Metal Cube Made of 99.9% Pure Features
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This erbium cube is made of 99.9% purity erbium plate.
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Each erbium cube with a dimension 0.39"*0.39*0.39" /10mm, double face laser engraved informations,the cubes are just perfect for collections.
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The erbium cube is vacuum packed, do not touch rare earth metals directly with your hands, otherwise they will go black,please take them out with gloves and place them in the matched acrylic box,erbium is a rare earth element, and rare earth elements are all active,although erbium is relatively stable in air, it still darkens, oxidizes, and has small spots over time,vacuum packaging also darkens because the packaging bag still has a small amount of oxygen and water vapor,therefore, the best way is to soak it in liquid paraffin,although it cannot achieve absolute deoxygenation, the effect is the best.
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Erbium is one of the elements with magnetism at room temperature, but its magnetism can only be clearly observed with strong magnetism, it’s mainly used as research on magnetic materials, erbium cubes can be used in labs, offices, science rooms, teachers, gifts, science demonstrations, suitable for different ages, good understanding of metals, elements, different densities, can be placed in the classroom to stimulate students' interest in chemistry.
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Elemental Cube Collection:a periodic table with real elements,suitable for your classroom, science experiment, element exhibitions and collections, educational gifts,you can place the periodic table display rack on your office table or cabinet, it will be a great, special, and attractive display thing,collecting elemental cubes is a meaningful and valuable thing, get one more elemental cubes by collecting this erbium cube.
