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For those who missed out,here are the? file and pics again.

I bought it for USD 2 only(50000 Kip)Wasn’t aware sold?outside LaosQuite lightweight ?for safekeeping.

Taray, I hope they are using just the steel cluster bomb casings and not an actual BLU-63 bomblet as they are an extremely dangerous UXO and are never to be handled even by EOD personnel.

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

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Holmium Chloride Color Changes (After a Few Days) 1. Colors Observed ???- Daylight :Faint yellow.?? ???- Fluorescent Light :Pale pink (normal room) → Bright pink (dark

Looks interesting, waiting to see the spectra. Dud Sent: Thursday, March 27, 2025 8:35 PM To: [email protected] Subject: Re: [XRF-Page-2] Holmium Here are the 2 glass vials. One of the many

Here are the 2 glass vials. One of the many uses besides administering drugs.

Looks like Mr. Ho’s chemistry lesson is spot on.?? Repeated??with the same solution, adding the same metal chunk.?? This time not so effervescent but I gave it enough time.?? End result

If it was reacting with H2O you’d get H2 If it was reacting with the HCl you’d get Cl. And Ho(OH) which may have neutralized the solution. But I’m no chemist. What’s the ph of the end

Taray, Good match with the standard. The lesser degree of the transmission and absorption peaks is curious. I wonder if the solution is not saturated which produces a lower absorption. What does a

Acquired Holmium Metal (Ho) Here’s an intriguing rare earth metal:Holmium (Ho)though I occasionally confuse its symbol with Hafnium (Hf)Hafnium is a transition metal, not a rare earths The

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That really knocks down the blue to UV. Dud Sent: Wednesday, March 26, 2025 7:29 PM To: [email protected] Subject: Re: [XRF-Page-2] Pigment Discovery in Rusted CDV 715 Geiger Counter Dude My

Dude My? modified cuvette? holder was a bit dirty and light path somewhat elongated. Here is? a new? merged setup. Shows absence of UV transmittance? and better spread towards infrared

Blank was dil HCl Not filtered. The rusted??xrf specimen did show a Cd oeak perhaps enhanced by the corrosion. Cd if present is likely a minor??component to??improve color properties ? The

Did you use a transmission of the HCl blank as the reference.? Was the solute filtered before scanning? I’m surprised of the flat response all the way into the NIR. I can’t say there is Cd in the

..and the yellow pigment dissolved in dil HCl in a quartz cuvette. Pic as shown Scanned under tungsten halogen light visible light spectroscopy No UV transmission in this quartz cuvette

The files and pics ....

Repeat??XRF Analysis of the Yellow Base of CD V-715 Geiger Counter: 1. Titanium 2. Chromium 3. Lead 4. Iron 5. No Cadmium Detected Chemical Reactions of the earlier rusted piece: -