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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
Hydrogen gas micro spectrum discharge tube 80-90mm - NEW
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Iron 3+ doped glass bead NEW!
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Iron 3+ doped glass bead NEW!
Price:  19,90
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 19,90
Nice Iridium 4+ doped optical glass bead NEW!
 59,00
High pure Black Phosphorus - large crystals -  1000 mg
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 620,00
Tellurium(IV) iodide - TeI4 crystals - 1g  99.9%
 79,90
Sublimed Samarium metal in ampoule under argon - 1.5g
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High purity Terbium Metal - 99,95% purity under Argon
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Terbium 3+  doped glass bead NEW!
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Terbium 3+ doped glass bead NEW!
Price:  29,90
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 29,90
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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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