uv
uv


Author Comment Last activity Moderation
liz "Big thanks for unpacking all this @warren " | Read more » over 4 years ago
warren "Deep UV or DUV is pretty hard to detect. This article talks about it: https://www.vision-systems.com/non-factory/life-sciences/article/16736672/uv-..." | Read more » over 4 years ago
warren "Hi, just found it interesting when i read about the UV Hound - it's actually not a mass spectrometer but an optical spectrometer not too dissimilar..." | Read more » over 4 years ago
Design321 "Good to know , very informative Best Autocad Training Center in Indore " | Read more » over 4 years ago
torson07 "customer service at yahoo It is very painful when you lost your password for your yahoo mail account, We understand your hass..." | Read more » over 4 years ago
Engineerjaykumar "I also want to know about this type. " | Read more » over 4 years ago
jjcreedon "Id love to hear of how the "hound" data has been used effectively in communities. After the data was collected, what did they do with it...Are ther..." | Read more » over 4 years ago
liz "oh ok! yes, in this section of the book, looks like Gwen is using a UV Hound that was in fact rented from Hilton Kelly's organization Community In-..." | Read more » over 4 years ago
Bronwen "Gwen Ottinger (who is a member of Public Lab's board of Directors) mentions the UV Hound in her book Refining Expertise: How Responsible Engineers ..." | Read more » over 4 years ago
warren " I think it's possible to do fluorescence testing with soil if you do an "extraction" from the soil. You can find a lot more about this (maybe too ..." | Read more » over 5 years ago
DanielleS " Can this method be used in different matrices, such as soil? " | Read more » over 5 years ago
rahamath_prizm " So good to know it got identified soon. passive income " | Read more » over 5 years ago
straylight " thanks solaris, yes, the yeast, like the sugar, has bolted. An analytical test for red and white wine, excellent, we are making progress :) Agre..." | Read more » over 5 years ago
solaria " Thanks Stray'. Actually, the 0.06 A for the wine was at 5 cm path. Divide by 5 to get 1 cm path for comparison. If yeast/fermentation was cont..." | Read more » over 5 years ago
straylight " solaria, great work, much kudos deserved. A rigorous experiment. Like david_uwi, I wondered at why sucrose is absorbing visible light (VL) at all..." | Read more » over 5 years ago
solaria " Well, the sucrose absorbance is very low, but it's not zero. See Sucrose Absorbance. Since the data is 'clean' and the calculations match expec..." | Read more » over 5 years ago
david_uwi " Problem I have is that sucrose solution looks colorless so does not absorb visible light. I feel that the changes in absorbance that you are seein..." | Read more » over 5 years ago
solaria "Here’s my try at this experiment. Basically, Yes, you can detect added sugar in wine, but it’s a very small change, and requires an accurate basel..." | Read more » over 5 years ago
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34zhijian "Hi, how does one download the data in the appendix? Thanks! " | Read more » about 6 years ago
maltheR "Thanks for the info... I was looking for it myself.. And big up for your photos, sir.. " | Read more » almost 7 years ago
Matej "Cool! Thanks Jeff! This is helpful. " | Read more » about 8 years ago
warren "What I did to compare is to calibrate on a CFL, then scan a tube fluorescent, so that the methodology for calibration is the same: https://spectra..." | Read more » about 8 years ago