59.5keV spectrum cleanup

[email protected] All Messages By This Member #1539 Dud, I used the thickness you recommended. " you would use 150 um Cu , 25 um Ti, and a 300 um Al filter" Super thin stuff. The AL is an alloy, it should be pure. Will work on that more tomorrow. These are shop-made, not the real ones which cost a fortune (hundreds$$) and are NIST certified etc. Geo toggle quoted message Show quoted text From: "DFEMER" <dfemer@...> To: [email protected] Sent: Tuesday, October 27, 2020 6:28:26 PM Subject: Re: FW: [XRF] 59.5keV spectrum cleanup This will be interesting, What thicknesses are you running on these? Dud ? From: [email protected] [mailto:[email protected]] On Behalf Of GEOelectronics@... Sent: Tuesday, October 27, 2020 3:00 PM To: [email protected] Subject: Re: FW: [XRF] 59.5keV spectrum cleanup ? No but we're analyzing it's ray pattern. Here's the next step, it's a redo of the Source Filter test (which I built close to but not exactly to your specifications, will clean that up later in the shop) with the Cu close to the source rather than the sensor side, allowing the Ti and Al to attenuate the cu characteristic X-Rays that showed up on the last plot. More tests tomorrow, this has been real-time, making adjustments per recommendations. Great fun PS in between these trials, the Ba-133 testing was running on another instrument. Will post that tomorrow. Looks good. Geo

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