Size approx. 13mm – weight approx. 1 – 1.5g – Material: phosphate and borate glasses. You get 7 glass beads + a FREE UV LED lamp 365nm
The top row shows the colorless and slightly coloured glasses, which illuminate under UV (365nm see below): Europium, Cerium, Terbium, Samarium, Manganese, Uranium, Dysprosium
Elaborately and individually manufactured by us in the laboratory from highly pure reagents.
Gorgeous beads showing the typical colors of different metal ions in different oxidation states.
Ein Fest für die Augen der Elementsammler!
You get this UV-LED lamp incl. USB charging cable for FREE !
Description:
1. Material: aluminum alloy
2. Product Size: 108*23*23 mm
3. Battery Duration: 3-5 hours (rechargeable)
4. Wavelength: 365nm
5. Lighting Distance: 5 m
6. Power: 3W
7. Shell Color: Black
