Spectrometer
question:spectrometer

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Author Comment Last activity Moderation
smyckeskrin "i don't understand your question " | Read more » 5 months ago
Ag8n "Maybe transmission is possible. Most of the materials we analyzed could only be tested with reflectance. See if that makes sense for the material..." | Read more » 9 months ago
Ag8n "I think your best bet is to call ocean optics. They used to be open to experimentation with their equipment. Unfortunately, the last time I dealt..." | Read more » about 1 year ago
Ag8n "I don't plan on making the modifications in the near future. If someone else would like to try it, feel free. To me, this is the initial investig..." | Read more » over 1 year ago
bhamster "I'm still in the information-gathering stage, so unfortunately haven't done any tests myself yet! Thanks for the heads up about the standard test. ..." | Read more » over 1 year ago
Ag8n "Thank you for the help. Have you used ASTM D6592-1? It was written in 2001 and removed in 2010 (apparently for no revalidation). But it used chem..." | Read more » over 1 year ago
bhamster "Oh good point, and helpful to know that using chemi- or bioluminescence eases certain specs on materials. I'm going to keep looking into this, than..." | Read more » over 1 year ago
Ag8n "Thank you for the papers. Still working my way through them. Wanted to comment on the difference between chemi-,bio-,and straight luminescence. ..." | Read more » over 1 year ago
Ag8n "A big problem with this type of instrument isn't the concept. That's not too hard. It's getting the reaction to go at a decent rate. Not too fas..." | Read more » over 1 year ago
Ag8n "The blood analyzer instruments from say 2000 were good, but not an order of magnitude better than those of a few years earlier. What was different..." | Read more » over 1 year ago
bhamster "Oh, super interesting idea! I don't know the answer, but have found some related research on fluorescence spectroscopy to detect wastewater. There..." | Read more » over 1 year ago
Ag8n "If a source like the sun or an incandescent lamp is used, then maybe using a photographic bg20 filter as a standard would do. The spectrum they a..." | Read more » over 1 year ago
Ag8n "There is a closely related chemical recently added to the USP for uv/vis standardization. It is a solution of didymium. Some places also use a gl..." | Read more » over 1 year ago
Ag8n "https://youtu.be/u5tUmdWALn0 Hopefully, this link works to the video " | Read more » over 1 year ago
Ag8n "Of you take a look at commercial instruments, they will usually use holmium oxide or other holmium salts for calibration. Great. These salts are ..." | Read more » over 1 year ago
Ag8n "Found something.It's a YouTube post by chem_talk on neodymium. It's a long way from complete, but according to the post, this rare earth isn't rar..." | Read more » over 1 year ago
warren "Hola Edith! Lo siento que no son en español pero se puede encontrar algunos actividades en relación a la ley de Beer aqui: http://publiclab.org/se..." | Read more » over 1 year ago
vapecult "Hi Nickha, I am a Vapecult Owner. This is my site Vape juice, vape kit etc. vapecult.co.uk is your main internet vaping source. We are committed to..." | Read more » over 1 year ago
VickiBaez "Try another camera, in comparison everything will be noticeable " | Read more » about 2 years ago
bhamster "Sounds like a neat project! For the first part of your question, are there specific compounds in food waste that you're interested in detecting? I..." | Read more » about 2 years ago
msuphysicsformcb "Update: I just looked through the other spectra posted that are tagged as white LED and they all look similar to mine, with 3 peaks instead of 2 th..." | Read more » about 2 years ago
msuphysicsformcb "Thanks for all the advice. This class will be online next semester due to the pandemic (I’m assuming). We have no resources or facilities to dist..." | Read more » about 2 years ago
wln215 "I primarily use these gratings for my spectrometers (my professor supplies them for his optics class) as I find the square shape to be easy to buil..." | Read more » about 2 years ago
mimiss "The Public Lab store also offers diffraction grating as an option when purchasing lego spectrometers. The grating that we carry is also 1000 lines/..." | Read more » about 2 years ago