Synthetic Fluorescent Mineral Experiment: Plaster of Paris Glowing Brick Road - Blue LED

 

FOV: 7" wide.

 

This demonstrates the use of Plaster of Paris as a base for synthesizing various phosphors. The Plaster of Paris served to hold the mixtures in place as they were being heated by a MAPP torch.

 

 

Contains:

Zinc Silicate (FL Green >UVabc)

Jackolite = CaS in salt (FL Orange >UVabc)

Bolognastonite = BaS:Cu (FL Yellow orange >UVabc)

BaO (?) (FL Blue >UVabc)

ZnS:Cu,Mn (FL Yellow green >UVabc)

Copperlite = NaCl:Cu+ (FL Orange >UVabc)

Unknowns....

 

Shown under blue LED light, filtered by magenta laser protection goggles.

 

Key:

WL = White light (halogen + LED)

FL = Fluoresces

PHOS = Phosphorescent

Blue = 450nm,

UVa = 368nm (LW), UVb = 311nm (MW), UVc = 254nm (SW)

'>' = "stimulated by:", '!' = "bright", '~' = "dim"

 

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18 Watt Triple Output UV lamp from Polman Minerals - Way Too Cool UV lamps

Done