| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| stoft | "BTW .... the comments about LED 'voltage' perspective do not seem inline with LED parameters. With LEDs, it's not the voltage, it's the current you..." | Read more » | almost 9 years ago | |||
| stoft | "Note: Their UV source was a PTI LS-100 fluorescence spectrophotometer -- no longer sold. From a google books print, it sounds like a variable-wavel..." | Read more » | almost 9 years ago | |||
| stoft | "Note: The article can be downloaded w/o signing up using the 'Download Full Text' button at the upper right of the image frame on the web page. Fr..." | Read more » | almost 9 years ago | |||
| stoft | "Aha; a very good description which explains things I'd read. I think it also directly supports my present contention that with a 400nm source and t..." | Read more » | almost 9 years ago | |||
| stoft | "RIght, Jeff, those are good questions and I'm not a Chemist -- I'm just extracting from what I glean from the web. But I think it would be good to ..." | Read more » | almost 9 years ago | |||
| stoft | "https://publiclab.org/profile/ethanbass - Thanks for your comments. As to your last note about my final plot: What I see is the depth of the "notch..." | Read more » | almost 9 years ago | |||
| stoft | "Ok, good points and questions. [ I do not intend to sound abrupt. I'm just focused on raising technical issues I see within and surrounding this t..." | Read more » | almost 9 years ago | |||
| stoft | "Jeff, I did a few quick tests and added an "Opacity" section above. While more observations are needed, these limited results are interesting. " | Read more » | almost 9 years ago | |||
| stoft | "Thanks; good comments. 1 - Dilution: I updated the note to clarify that the larger signals were only attenuated to better match the range of the w..." | Read more » | almost 9 years ago | |||
| stoft | "Gretchen, thanks for the insight. I'd read that the generally broad fluorescence spectrum is, as would be expected, a combination of many spectral..." | Read more » | almost 9 years ago | |||
| stoft | "I just ran some new calculations looking at the curves from my existing data and found a possible correlation between oil density and the centroid ..." | Read more » | almost 9 years ago | |||
| stoft | "Jeff, thanks. 1 - Yes, you are right, there is a "glow" from EVO. However, that peak is small and out at 650nm past where it has little effect. I ..." | Read more » | almost 9 years ago |