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5kV high voltage transformer for our tubes and ampoules
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Manganese 2+ doped fluorescent glass bead NEW!
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Manganese 2+ doped fluorescent glass bead NEW!
Price:
 34,90  34,20
- +
 68,40
Yttrium(III) oxide 99,99% - Er2O3 - 5.0 grams
 25,00
High purity Dysprosium Metal pieces 99,95% purity - 5 grams
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Antimony,  99,9999% purity crystalline pieces  -  1.5 grams
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Nice Copper 2+ doped optical glass bead NEW!
 29,90
Europium 3+ doped fluorescent glass bead NEW!
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Europium 3+ doped fluorescent glass bead NEW!
Price:
 34,90  34,20
- +
 68,40
Dysprosium 3+  doped glass bead - yellow luminescense - NEW!
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Xenon gas micro spectrum discharge tube 80-90mm - NEW
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Acrylic Element cube - Rubidium Rb 1.5g - 50mm
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 179,00
Magnetic Glass - Gadolinium glass bead NEW!
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 49,00
High pure Black Phosphorus - large crystals -  1000 mg
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 620,00
Nice Rhodium 3+ doped optical glass bead NEW!
 69,00
Hafnium diboride HfB2   5 grams - 99.5%
 24,90
Cerium 3+ doped strong blue fluorescent glass bead NEW!
11+ shoppers have bought this
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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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