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Re: Strontium
Strontium ferrite fridge magnet Another household item Magnetism is not strong leading to its own ceramic destruction Like this one Unintentionally missed out The barium/titanium could be from the
By taray singh · #1668 ·
Re: Pigment Discovery in Rusted CDV 715 Geiger Counter
That’s a pretty strong Pb. The Lb is almost as strong as the La and even showing the Lg Dud Sent: Thursday, March 20, 2025 2:56 AM To: [email protected] Subject: Re: [XRF-Page-2] Pigment
By Dude · #1666 ·
Re: Pigment Discovery in Rusted CDV 715 Geiger Counter
After my recent experience analyzing yellow/orange pigments with XRF, I examined my rusted, painted CDV 715 Geiger counter. Years ago, I left batteries inside it, which caused severe corrosion. This
By taray singh · #1665 ·
Pigment Discovery in Rusted CDV 715 Geiger Counter
Text to follow..
By taray singh · #1664 ·
Re: Strontium
Mca files for strontium green florescent powder and bread? xrf
By taray singh · #1663 ·
Re: Strontium
Strontium is found in 1 Dietary intake of bread and canned seafood etc Seafood Sr like Ca is limited mainly to the bones? 2 Strontium supplements? Controversial? Sr is a bone seeking
By taray singh · #1662 ·
Strontium
Text to follow
By taray singh · #1660 ·
Re: Demagnetized Nd and Nd oxide powder
Here is an xrf and visible reflectance for Nd magnet and Nd oxide powder? 1 Nd magnet was derusted and demagnetized by sandpaper and flame torch heating.This magnet rust is likely from??uncoated
By taray singh · #1655 ·
Demagnetized Nd and Nd oxide powder
The edited version? text to follow..
By taray singh · #1654 ·
Re: Praseodymium
Here’s the didymium neodymium comparison spectra for those that missed it and a paper on Pr separations with some spectra. Dud Sent: Thursday, March 6, 2025 10:14 AM To:
By Dude · #1648 ·
Re: Praseodymium
That is certainly something to keep in mind when looking at instrument data vs the eyeball. Dud Sent: Wednesday, March 5, 2025 6:46 AM To: [email protected] Subject: Re: [XRF-Page-2]
By Dude · #1645 ·
Re: Praseodymium
Typo Meant broad reflectance over green and yellow? Since on this point,something to ponder . The??green Pr oxide reflectance also covers red This is not unexpected bearing in mind issues with
By taray singh · #1644 ·
Re: Praseodymium
Dude Here is? a pic and Sgd? file for? green oxide layer of 99.9 %? pure Pr? element, Using tungsten halogen light reflectance spectrum, Besides the 447 nm ref dip,there is broad absorption
By taray singh · #1643 ·
Re: nitinol in guide wires
This simple annealing??procedure is??useful??for those??unfamiliar? The Al thin sheet??cools within??a minute amaintaining the softness .
By taray singh · #1641 ·
Re: Praseodymium
Hers’s an overlay of Nd and Didymium oxide (mix of Pr and Nd oxide). Note the difference at 444.57 nm. I can send you some rare earth oxides to run. Let me know your address Dud Sent: Tuesday,
By Dude · #1640 ·
Praseodymium
This Pr is a? green oxide when exposed? to air. Historically from a yellow pigment? to modern? technology
By taray singh · #1639 ·
Re: nitinol in guide wires
Peter Here is the edited? medical guidewire xrf It is used prior to railroading a soft catheter over it and the wire subsequently removed On paper it is made of nitinol (Nickel titanium alloy) Super
By taray singh · #1638 ·
Re: nitinol in guide wires
nice testing. I always ask my dentist for my old gold crowns when they are replaced. he is nice enough to give me a copy of the data sheet showing it? composition. p
By peter · #1633 ·
Re: Xrf tableware
https://chsopensource.org/pigments-checker/ Those interested in getting free inorganic pigment databases for? Xrf in DppMca?format Reflectance spectroscopy? Others Head over to the above
By taray singh · #1628 ·
I've canceled my insurance
My Rn-222 is about 2pCi/l right now but I think I'll wait and see in another 3 or 4 decades or so before canceling the insurance. Should I sue the builder? Just asking for a friend. Dud Life
By Dude · #1626 ·