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Helium-3 Isotope discharge tube 70mm - NEW
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Helium-3 Isotope discharge tube 70mm - NEW
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Chromium 3+ doped glass bead NEW!
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Chromium 3+ doped glass bead NEW!
Price:  19,90
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 19,90
Holmium 3+  doped glass bead NEW!
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Holmium 3+ doped glass bead NEW!
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Large Mercury spectrum discharge tube 250mm - NEW
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Nice Titanium 3+ doped optical glass bead NEW!
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Black Phosphorus - crystal  pieces -  0.5g in ampoule
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Hafnium diboride HfB2   5 grams - 99.5%
 24,90
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Chromium 3+ doped glass bead NEW!

 19,90  19,50

Availability: 91 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% Chromium(III) oxide – NEW!
Size about 10mm . Material: Ba-P:Cr
Nice glass bead. Each one handmade of phosphate glass in our lab.

This time we used a bit less Chromium(III)-Oxide which results in this shiny green color.

Element

Cr

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