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Acrylic Element cube - He Helium - 50mm
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 99,00
Iron metal beads -  20 grams 99.9%
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Iron metal beads - 20 grams 99.9%
Price:  24,90
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 24,90
Nice Copper 2+ doped Borate glass bead NEW!
 29,90
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Nice Vanadium 4+/5+ doped glass bead NEW!

 29,90

Availability: 98 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% Vanadium 4+ and 5+ Ions
Size about 13mm – Weight ~ 1 . 1.4 grams – Material: Ba Phosphate glass
Nice glass bead. Each one handmade of phosphate glass in our lab.

The green color does not come from the V3+ state but from a mixture of +4 and +5 states

Element

V

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