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Helium-3 Isotope discharge tube 70mm - NEW
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 48,00
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 19,90
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 129,00
Erbium(III) oxide 99,99% - Er2O3 - 10.0 grams
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 24,90
High purity Oxygen gas ampoule, purity 99.995%
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High purity Oxygen gas ampoule, purity 99.995%
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 29,00  28,42
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 56,84
Super bright Nitrogen spectrum discharge tube 100mm - NEW
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Acrylic Element cube - Astatine - 50mm
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 39,00
Nice Ruthenium 3+ doped optical glass bead NEW!
1+ shoppers have bought this
 32,90
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Nice Cobalt 2+ doped glass bead NEW!

 25,00

Availability: 93 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 1% Cobalt (Co2+) Ionen
Size about 13mm – Weight ~ 1g – Material: NaAlMg Phosphate glass
Nice glass bead. Each one handmade of phosphate glass in our lab.

The beads shows the typical cobalt blue color

Element

Co

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