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Hafnium diboride HfB2   5 grams - 99.5%
 24,90
Element collection of element doped optical glasses - 24 pcs.
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Praseodymium 3+ doped optical glass bead NEW!
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Black Phosphorus - crystal  pieces -  5.0g in ampoule
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Acrylic Element cube - Lanthanum La - 50mm
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 99,00
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Oxygen gas micro spectrum discharge tube 80mm – NEW

 22,90

Availability: Available on backorder

SKU: 04574 Categories: , ,

NEW! Oxygen O2 – Micro Spectrum discharge tube – metal free!
This new spectrum discharge tube is an enhancement of our gas ampoules with all its benefits not having any metals parts but the luminosity of a standard spectrum tube. This tube can be used in continuous operation!
Made of high quality shock- and heat proof boro silicate glass. The fine capilary looks fragile but is more endurable as any normal tube.
You can easily let it glow with a tesla generator.
Lengh: 3.3 – 3.5″ = 8 – 9cm, dia. ~12mm
Operating voltage 1500-5000V @ 20mA – available here in our shop
This is a very special piece for a complete elements collection !!!

Element

O

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