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  entries 1 to 8 from 19 Gallery view   periodic table

 Acrylic Element cube - Radium - 50mm  Art. Nr. 003026  
Acrylic Element cube - Radium - 50mm
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The Sensation! Acrylic Element-blocks NEW!

Radium - placeholder - Radioactive symbol ONLY - Does not contain any Radium!


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Amount: 1 St.
Purity : -------
Packing: PE bag
35.00 Euro
- tax free

Availability: 5 in stock

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 Cerium 3+ doped fluorescent glass bead NEW!  Art. Nr. 004857  
Cerium 3+ doped fluorescent glass bead NEW!
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Glass bead doped with 1% Cerium(III) oxide - NEW! Blue fluorecence!

Size about 10mm

Nice glass bead. Each one handmade of high melting silicate glass in our lab.

  • White at normal light
  • light blue under ultraviolet light (money checker etc.)

Notable Peaks @ 371nm (UV), 404, 435 und 487 nm

Amount: 1 St. / 1 pc.
Purity : --
Packing: ampoule
40.00 Euro
- tax free

Availability: 2 in stock

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 Chromium 3+ doped glass bead NEW!  Art. Nr. 004865  
Chromium 3+ doped glass bead NEW!
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Glass bead doped with 5% Chromium(III) oxide - NEW!

Size about 13mm

Nice glass bead. Each one handmade of phosphate glass in our lab.

  • Due to the high doping concentration, the bead looks almost black, only when illuminated thorugh you will recognize the typical chromium oxide color.

Amount: 1 St. / 1 pc.
Purity : --
Packing: ampoule
18.00 Euro
- tax free

Availability: 5 in stock

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 Terbium 3+ doped glass bead NEW!  Art. Nr. 004856  
Terbium 3+  doped glass bead NEW!
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glass bead doped with 5% Terbium oxide - NEW!

diameter ~ 13 mm - ~ 1.2 - 1.5 grams

Nice glass bead. Each one hand crafted. Under UV excitation the glass shows strong fluorescence with a peak @ 541nm and 546nm

  • White at normal light
  • light green under ultraviolet light (money checker etc.)

Please do not use common UV LEDs, they produce wavelengths above 390 nm and are not suitable! Blacklight tubes work best! The UV lamp used for the photos has a wavelength of 365nm

 

Amount: 1 St. / 1 pc.
Purity : --
Packing: PE foil
30.00 Euro
- tax free

Availability: 5 in stock

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 Holmium 3+ doped glass bead NEW!  Art. Nr. 004858  
Holmium 3+  doped glass bead NEW!
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optical glass bead doped with 5% Holmium oxide - NEW!

diameter ~ 12 mm - 1.27 grams

Nice glass bead. Each one hand crafted in our lab.

  • Depending on the sort of light you get different colors of the bead

    • Yellowish at daylight or bulb
    • raspberry red at fluorescent light (all kind of tubes LCD screen, Neon tubes)

 

Amount: 1 St. / 1 pc.
Purity : --
Packing: ampoule
33.00 Euro
- tax free

Availability: 3 in stock

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 Samarium 3+ doped fluorescent glass bead NEW!  Art. Nr. 004859  
Samarium 3+ doped fluorescent glass bead NEW!
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Glass bead doped with 1% Samarium(III) oxide - NEW! Orange fluorescence!

Size about 10mm - weight ~ 1g

Nice optical glass bead. Each one handmade in our lab. Strong fluorescence with a peak @ 597nm

  • White at normal light
  • Red Orange under ultraviolet light (money checker etc.)

Please do not use common UV LEDs, they produce wavelengths above 390 nm and are not suitable! Blacklight tubes work best! The UV lamp used for the photos has a wavelength of 365nm

Amount: 1 St. / 1 pc.
Purity : --
Packing: PE foil
30.00 Euro
- tax free

Availability: 5 in stock

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 Europium 3+ doped fluorescent glass bead NEW!  Art. Nr. 004860  
Europium 3+ doped fluorescent glass bead NEW!
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Glass bead doped with 5% Europium(III) oxide - NEW! red fluorecence!

Size about 13mm - weight ~ 1.5g

Nice optical glass bead. Each one handmade in our lab.

  • White at normal light
  • Red Orange (strong peak @ 611 nm) under UV excitation

Please do not use common UV LEDs, they produce wavelengths above 390 nm and are not suitable! Blacklight tubes work best! The UV lamp used for the photos has a wavelength of 365nm

 

 

Amount: 1 St. / 1 pc.
Purity : --
Packing: PE foil
35.00 Euro
- tax free

Availability: 3 in stock

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 100g High purity Silica / Quarz Sand SiO2 99.997%  Art. Nr. 004864  
100g High purity Silica / Quarz Sand SiO2 99.997%
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100g High purity Silica / Quarz Sand SiO2 99.997%

 

  SiO2 Fe2O3 Grain size d50    
  % ppm µm µm    
             
  >99,997 1-1,3 90-300 105-115    



Amount: 100g
Purity : 99.9%
Packing: Bottle
10.00 Euro
- tax free
5-9 pcs.: 9.00 Euro
>9 pcs.: 9.00 Euro
Availability: 50 in stock

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