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  entries 1 to 4 from 4 Gallery view   periodic table

 Germanium - big density cube - mirror polished 10cm3  Art. Nr. 005014  
Germanium - big density cube - mirror polished 10cm3
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Germanium - monocrystalline 99.999% - Precision density-standard cube 10cm3 NEW! mirror polished, laser engraved - 53.45 grams

 Introductory price! ONE piece is in stock!

100% quality guarantee! The surface, edges and corners are flawless and have no holes, scratches or dents.
They come with laser inscription.

 Using finest materials, each density cube was lapped to 21.6.21.6x21.6mm with an accuracy of 0.01 millimeter. Each one separately ground and mirror polished it represents the theoretical density of the respective element by its weight. The weight is not affected by the laser inscription. Information such as element symbol, name and density is durable burned at the surface. Each element even shows its specific characteristis in colour and reaction with the laser. Altogether 25 elements are planned in a complete set in a wooden case.

Amount: 1 St. / 1 pc..
Purity : 99,999%
Packing: PE - bag
806.00
- tax free

Availability: 5 in stock

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 Manganese 3+ doped glass bead NEW!  Art. Nr. 004937  
Manganese 3+ doped glass bead NEW!
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Glass bead doped with 5% Manganese 3+/ 2+ Ions - NEW! red fluorecence!

Size about 13mm - weight ~ 1.2 - 1.4 grams

Material: BaP:5Mn3+

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

  • Pink at normal light
  • Red (strong peak @ 635 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

 

 

Under daylight they are water clear and colorless

 

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

Availability: 2 in stock

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 GOLD 24K precision density-standard cube 1cm3 -19.32g NEW!  Art. Nr. 004686  
GOLD 24K precision density-standard cube 1cm3 -19.32g NEW!
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GOLD -  precision density-standard cube 1cm3 - 19.32 grams

Please note that this item is excluded from reductions or special offers. 

Using finest materials, each density cube was lapped to 10x10x10mm by a famous company especialized in noble metals. Each one separately ground and polished it represents the theoretical density of the respective element by its weight. The weight is not affected by the laser inscription. Information such as element symbol, name and density is durable burned at the surface. Altogether 25 elements are planned in a complete set in a wooden case.
The cube in the picture is without laser engraving. You will receive a finished and engraved cube!

Amount: 1 St. / 1 pc..
Purity : 99.99%
Packing: PE - bag
1,411.00
- tax free

Availability: 3 in stock

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 PALLADIUM precision density-standard cube 1cm3 - 12.0g  Art. Nr. 004113  
PALLADIUM precision density-standard cube 1cm3 - 12.0g
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PALLADIUM -  precision density-standard cube 1cm3 - 12.0 grams incl. certificate of analysis - NEW!

 

Please note that this item is excluded from reductions or special offers.

Using finest materials, each density cube was lapped to 10x10x10mm (Tolerance + 0.01mm) by a famous company especialized in noble metals. Each one separately ground and polished it represents the theoretical density of the respective element by its weight. The weight is not affected by the laser inscription. Information such as element symbol, name and density is durable burned at the surface. Altogether 36 elements are planned in a complete set in a wooden case.

Amount: 1 St. / 1 pc..
Purity : 99,95%
Packing: PE - bag
1,200.00
- tax free
5-9 pcs.: 1,140.00 Euro
Availability: 9 in stock

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 PLATINUM precision density-standard cube 1cm3 - 21.45g  Art. Nr. 004812  
PLATINUM precision density-standard cube 1cm3 - 21.45g
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PLATINUM -  precision density-standard cube 1cm3 - 21.45 grams 

incl. certificate of analysis - NEW! 

Please note that this item is excluded from reductions or special offers. 

Using finest materials, each density cube was lapped to 10x10x10mm (tolerance + 0.01mm) by a famous company especialized in noble metals. Each one separately ground and polished it represents the theoretical density of the respective element by its weight. The weight is not affected by the laser inscription. Information such as element symbol, name and density is durable burned at the surface. Altogether 25 elements are planned in a complete set in a wooden case.

Amount: 1 St. / 1 pc..
Purity : 99,95%
Packing: PE - bag
1,705.00
- tax free

Availability: 2 in stock

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 Acrylic Element cube - Bromine Br - 50mm  Art. Nr. 001962  
Acrylic Element cube - Bromine Br - 50mm
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The Sensation! Acrylic Element-blocks NEW!

High pure Liquid bromine sealed in ampoule!


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Lead time: ~ 4 weeks

Amount: 1 St.
Purity : 99.5%
Packing: PE bag
120.00
- tax free
5-9 pcs.: 114.00 Euro
>9 pcs.: 108.00 Euro
***Lead time: ~ 4 weeks ***

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 Indium Metal bar 99.995% purity - 1000 grams  Art. Nr. 003644  
Indium Metal bar 99.995% purity -  1000 grams
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High purity Indium Metal Ingot - 99.995%

Indium is a very rare metal which is essential for production of semiconductors, flat screens, TV, Mobile phones and solar technology.

Grade

Impurities % max.

In

Cu

Pb

Zn

Cd

  Total

99.995%

0.0005

0.0004

0.0005

0.0005

   
 

Fe

Tl

Sn

As

Al

 
 

0.0007

0.0005

0.0008

0.0005

0.0006

0.005

Amount: 1000g
Purity : 99.995%
Packing: PE-bag
503.00
- tax free
5-9 pcs.: 478.00 Euro
>9 pcs.: 453.00 Euro
Availability: 10 in stock

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 Super bright Hydrogen spectrum discharge tube 100mm - NEW  Art. Nr. 004940  
Super bright Hydrogen spectrum discharge tube 100mm - NEW
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NEW!  Super bright Hydrogen spectrum discharge tube 100mm - NEW

This new discharge tube is a redevelopment of our luminescent ampoules and offers the benefits of a metal-free ampoule with the luminosity of a commercial spectrum tube. In this tube, the excited gas  has to pass through many small capilaries and is forced to particularly strong shine. Good contact between the external electrodes around the ampoule is required.

Made of high quality shock- and heat proof boro silicate glass. 

 

ou can easily let it glow with a tesla generator.

Lengh: 10cm, dia. ~12mm

Operating voltage 5000V @ 20mA - available here in our shop

This is a very special piece for a complete elements collection !!!

Amount: 1 Röhre/ tube
Purity : 99.999%
Packing: tube
40.00
- tax free
5-9 pcs.: 38.00 Euro
>9 pcs.: 36.00 Euro
Availability: 88 in stock

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