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Black Phosphorus - crystal  pieces -  0.5g in ampoule
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 349,00
Praseodymium 3+ doped optical glass bead NEW!
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Chromium precision density cube 10mm - 7.14g
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Nice Iridium 4+ doped optical glass bead NEW!
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Chromium 6+ doped glass bead NEW!

 29,00

Glass bead doped with 0.05 mol% Chromium(VI) Ions – NEW!
Size about 10mm . Material: NaLaB:Cr

Availability: 84 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%
SKU: 04865-1 Categories: , ,

Glass bead doped with 0.05 mol% Chromium(VI) Ions – NEW!
Size about 10mm . Material: NaLaB:Cr
Nice glass bead. Each one handmade of Sodium lanthanum borate glass in our lab.

There is always an equilibrium of Cr6+ and a little of Cr3+ which results in this Yellowish green color.

Element

Cr

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