| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Thank you for the links and the explanations!!! " | Read more » | over 2 years 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 » | over 2 years ago | |||
| Ag8n | "Another reference. "Some recent developments in atomic fluorescence spectrosopy" by T.S.West Analytical Chemistry, ( presented at 26 th internati..." | Read more » | over 2 years ago | |||
| Ag8n | "Here are a couple of reference: "Studies in atomic fluorescence spectroscopy -III:microwave excited electrodeless discharge tubes as spectral sour..." | Read more » | over 2 years ago | |||
| warren | "Hmm... I guess it seems like a tough setup for my skill set. What does the microwave version look like? " | Read more » | over 2 years 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 » | over 2 years 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 » | over 2 years 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 » | over 2 years 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 » | over 2 years ago | |||
| warren | "https://www.sciencedirect.com/science/article/abs/pii/0039914070800819 " | Read more » | over 2 years 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 » | over 2 years 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 » | over 2 years 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 » | over 2 years 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 » | over 2 years ago | |||
| ICSK | "There was no setup. I struggled to get a reading with a fluorite from the Rogerley Mine. This specimen is incredibly bright. The issue probably lie..." | Read more » | almost 7 years ago | |||
| warren | "Hi, what does your setup look like? Can you upload a photo of how you're arranging the light and the samples? I've gotten plenty of light while us..." | Read more » | almost 7 years ago | |||
| ICSK | "For anyone wishing to know in the future this kit is not adequate for this task. I purchased the Desktop Spectrometry 3.0 Kit after not receiving a..." | Read more » | almost 7 years ago | |||
| cfastie | "That's a good question about the DVD plastic fluorescing. I don't know of anyone who has raised that question about the Public Lab spectrometers. I..." | Read more » | about 7 years ago | |||
| warren | "Hi! Here's a good place to post questions about fluorescence: https://publiclab.org/wiki/oil-testing-kit#Questions Or, just at https://publiclab.o..." | Read more » | about 7 years ago | |||
| warren | "Hi, there's been a lot of work on fluorescence and there's still a lot to do -- you can read up at #fluorescence - and on this page: https://publi..." | Read more » | about 7 years ago | |||
| ICSK | "Does the diffraction slit that is offered also fluoresce? Any other thing I might not be thinking of for measuring fluorescent responses? Only par..." | Read more » | about 7 years ago | |||
| cfastie | "Nice rock photos. This is really a comment on the previous answer, but if you leave comments in the comment place then you can't drag images in. An..." | Read more » | about 7 years ago | |||
| cfastie | "Yes, I found that simplified map which I thought would be appropriate, but then I noticed that the polygons were not located very accurately. So I ..." | Read more » | about 7 years ago | |||
| kgradow1 | "View of Quarry Hill Road. The serpentine quarry is the little dot of gray Via Macrostat Green Area #1: Pinney Hollow Formation - phyllite m..." | Read more » | about 7 years ago |