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Hydrogen gas micro spectrum discharge tube 80-90mm - NEW
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RUTHENIUM metal bullion bar - ingot - 30.5 - 31g
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Iron 3+ doped glass bead NEW!
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Iron 3+ doped glass bead NEW!
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Zirconium diboride ZrB2- 325 mesh 5 grams - 99.9%
 47,00
High purity Terbium Metal - 99,95% purity under Argon
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Nice Copper 2+ doped optical glass bead NEW!
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Terbium 3+ doped glass bead NEW!

 29,90

Availability: 87 in stock (can be backordered)

Title Range Discount
2-3 2 - 3 2%
4-5 4 - 5 3%
6-10 6 - 10 5%
11-20 11 - 20 8%

glass bead doped with 5% Terbium oxide – NEW!
diameter ~ 13 mm – ~ 1.2 – 1.5 grams
Nice glass bead. Each one hand crafted. Under UV (365-395nm) excitation the glass shows strong green fluorescence.

Typical Emission spectrum under 365nm excitation.

Element

Tb

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