Re: Holmium
开云体育Taray, Did you feel the earthquake while on vacation? Let’s move the optical stuff to [email protected] Possibly using a 532nm laser for the 536nm absorption line may get some fluorescence. Dud ? ? From: [email protected] [mailto:[email protected]] On
Behalf Of taray singh via groups.io
Sent: Wednesday, April 2, 2025 6:55 AM To: [email protected] Subject: Re: [XRF-Page-2] Holmium ? Holmium Chloride Color Changes (After a Few Days) ? 1. Colors Observed ???- Daylight :Faint yellow.?? ???- Fluorescent Light :Pale pink (normal room) → Bright pink (dark room).?? ? 2. Fluorescent bulbs emit??blue/violet light that activates holmium ions (Ho3+)triggering a pink glow.?? ???- Daylight lacks these wavelengths → solution stays yellow.?? ???- Laser (blue/green)or 365 nm UV light→ no pink glow.? ? 3. Aging Effect ???Colors may intensify as the solution stabilizes.?? ? The fluorescent bulb’s spectrum doesn’t perfectly align with Ho??’s absorption peaks,?dark room adaptation make the pink more?visible in an acqueous solution. ? Pics of the solution under different lightings ? ? ? On Friday, March 28, 2025, 11:38 AM, Dude via groups.io <dfemer@...> wrote:
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