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Element collection of element doped optical glasses - 24 pcs.
7+ shoppers have bought this
High purity Gadolinium Metal pieces 99,95% purity - 5 grams
22+ shoppers have bought this
Tellurium(IV) iodide - TeI4 crystals - 1g  99.9%
 79,90
Nice Ruthenium 3+ doped optical glass bead NEW!
1+ shoppers have bought this
 32,90
Nice Copper 2+ doped optical glass bead NEW!
 29,90
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Erbium 3+ doped optical glass bead NEW!

 34,90

Availability: 89 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%

Er3 + doped glass bead of borate glass – NEW!
Diameter about 12mm – weight 1.0 – 1.2g
Host: Zn-Te borate glass: Er3 + about 5 mol%
individually handmade in our lab. The proportion of tellurium dioxide in the glass results in a high refraction of light and high density.The glass beads are light pink in daylight and strongly pink in artificial light and have paramagnetic properties.

Element

Er

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