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Black Phosphorus - crystal  pieces -  10.0g in ampoule
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Black Phosphorus - crystal pieces - 10.0g in ampoule
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FERROFLUID 1000ml For magnetic experiments
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Tellurium(IV) iodide - TeI4 crystals - 1g  99.9%
Tellurium(IV) iodide - TeI4 crystals - 1g 99.9%
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Big TUNGSTEN precision density cube 10 cm3 - 192g
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Zirconium metal bullion bar - ingot 19.2g - 99.9%
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Magnetic Glass - Gadolinium glass bead NEW!
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Magnetic Glass - Gadolinium glass bead NEW!
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 96,04
Gadolinium high precision density cube 10mm - 7.89g
 149,00
Hafnium diboride HfB2   5 grams - 99.5%
 24,90
Red Phosphorus - 7N semiconductor grade - 99.99999% 0.5g
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Helium-3 Isotope discharge tube 70mm - NEW
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Holmium 3+  doped glass bead NEW!
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Holmium 3+ doped glass bead NEW!
Price:  29,90
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 29,90
Nice Bismuth Borate glass beads
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Nice Bismuth Borate glass beads
Price:  29,90
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 29,90
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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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