ultraviolet
ultraviolet


Author Comment Last activity Moderation
warren "Thank you for the links and the explanations!!! " | Read more » 3 months ago
Ag8n "We also used graphite furnace AA, also called GFAA. One common analytical instrument is ICP (inductively coupled plasma). I've used them a couple..." | Read more » 3 months ago
Ag8n "Another reference. "Some recent developments in atomic fluorescence spectrosopy" by T.S.West Analytical Chemistry, ( presented at 26 th internati..." | Read more » 3 months ago
Ag8n "Here are a couple of reference: "Studies in atomic fluorescence spectroscopy -III:microwave excited electrodeless discharge tubes as spectral sour..." | Read more » 3 months ago
warren "Hmm... I guess it seems like a tough setup for my skill set. What does the microwave version look like? " | Read more » 3 months ago
Ag8n "You know, getting a couple of these that could be "disposable" might not be a bad idea. Working with 400 volts isn't a terribly high voltage, but ..." | Read more » 3 months ago
Ag8n "That looks like a hollow cathode lamp. We used perkin elmer, not fisher, so there could be differences. The lamp should have the element it can d..." | Read more » 3 months ago
Ag8n "Aanalyst (a model of atomic absorption spectrometer that we had)hollow cathode lamps new are running for about $350. So when there are hollow cat..." | Read more » 3 months ago
Ag8n "That looks like a hollow cathode lamp. But there are other kinds. It should have the element on the base plus usually the operating current range..." | Read more » 3 months ago
warren "https://www.sciencedirect.com/science/article/abs/pii/0039914070800819 " | Read more » 3 months ago
warren "Interesting. It's like a high power version of this? https://www.ebay.com/itm/324819370181 Does this take high voltage to run? " | Read more » 3 months ago
Ag8n "I worked a lot on lead with atomic aborpion(AA) and related techniques. The two lead lines we normally used were 283 nm and 214 nm. Of course, the..." | Read more » 3 months ago
Ag8n "The first article from" research gate "is a little more interesting. It has lead forming something similar to chelates. The summary of the articl..." | Read more » 3 months ago
Ag8n "The last paper mentioned above is(I think) using chemiluminesence to generate the light(Flouescent detection of lead in... ByYan- Shiuan Wu, Et a..." | Read more » 3 months ago
icarito " " | Read more » 10 months ago
DanielleS "This is a great question! Yes, to a certain extent you can trace contaminants back to the source. You can do this with a combination of approaches ..." | Read more » over 1 year ago
Ag8n "One common test for water is total organic carbon(TOC). Usually, it's a relatively small instrument that takes water and measures the amount of c..." | Read more » over 1 year ago
amocorro " @amocorro has marked @cherokeeconcernedcitizens as a co-author. " | Read more » over 1 year ago
amocorro "@ektopyrotic - feel free to create a project page around this! More about project page and how to create your own here:https://publiclab.org/wiki/p..." | Read more » over 1 year ago
ektopyrotic "@mimiss here is the link to the GitHub repository in which I will be sharing all current and future developments of this image processing project u..." | Read more » over 1 year ago
ektopyrotic "@mimiss thank you. I am using 2 filters, one is a UV band-pass filter that is made of glass that works at about 380nm, so near-UV, the other is a t..." | Read more » over 1 year ago
mimiss "This is a super cool project and I'm looking forward to seeing your updates. For this project, what type of UV filters are you using? Do you have a..." | Read more » over 1 year ago
exekutive "Are there any materials which fluoresce only under a fairly narrow band around 365nm? " | Read more » over 3 years ago
exekutive "Thanks, that's an interesting device. But it is only sensitive to two very narrow frequency bands. " | Read more » over 3 years ago