Comments

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Ag8n "Sorry to bother you. How do your spectra look? How has the instrument been standardized? Thank you. Regards. " | Read more » 14 days ago
Ag8n "I went over it again. Impressi ve. Are you thinking of doing fluorescence work it, too? " | Read more » 14 days ago
Ag8n "Very interesting project!! What kind of lamp do you use and how powerful does it need to be? Do you know what spectral range it and the instrument..." | Read more » 14 days ago
Ag8n "For the most part, my experience was on the manufacturing end. And the answer would be very similar, but stated quite differently " the cost bene..." | Read more » 2 months ago
Ag8n "A possible light source for a spectrometer--the light on the cell phone. But what is the spectrum like? I didn't know. Here is an answer from qu..." | Read more » 3 months ago
Ag8n "Look up didymium glass filters,PNB586 or BG20. That will be a start. Usually, if you find a good vendor, they will have a copy of the UV/Vis spec..." | Read more » 3 months ago
Ag8n "One of the alternate calibration methods, posted on a different thread, was to use photographic filters that were made of didymium. It sounds like..." | Read more » 3 months ago
Ag8n "Pleasure to meet you! Hope to work with you on the future! " | Read more » 3 months ago
Ag8n "Please do not take this wrong. Your work is impressive. But part of science is asking questions, including questions on the testing done. So here..." | Read more » 4 months ago
Ag8n "I would encourage you to keep looking for mercury in soil. However, mercury is a difficult element to analyze safely and very dangerous to handle...." | Read more » 5 months ago
Ag8n "How did you test the soil for mercury? " | Read more » 5 months ago
Ag8n "I don't know if it's viable in this area or not. For blood analyzers, the approach one company was taking was photon counting. That was 15 years ..." | Read more » 5 months ago
Ag8n "Yes, in many ways. For example, rain can clean the air, making it much better. On the other hand, under the right circumatances, a high pressure ..." | Read more » 5 months ago
Ag8n "Your work is very impressive. And it seems like you are just a step away from identification. I wish I knew the exact step needed. The pellets a..." | Read more » 5 months ago
Ag8n "The spec 20 has been in production since 1953 by many different companies and can contain many capacitors. What problem is your spectronic 20 givi..." | Read more » 5 months ago
Ag8n "It was a very interesting article! Thank you for submitting it. The microscope FTIR he mentions ran our lab $100k in the early 90s. That was for..." | Read more » 5 months ago
Ag8n "Please correct me if this is wrong. The EPA is being petitioned to increase the level of chloroprene allowed to be air discharged, per a pier rev..." | Read more » 5 months ago
Ag8n "The IR listed above stands for Infra-Red spectroscopy. It might also be FTIR ( Fourier Transform Infra Red spectrscopy). The NIR is short for Near..." | Read more » 5 months ago
Ag8n "There are commercial plastic recyclers. Please contact them for details. And my experience is in industry, not environmental. But... To get the ..." | Read more » 5 months ago
Ag8n "Try to monitor the amount the company is polluting and also, what the exact chemicals are. For example, while chloroprene is off gassed, there are..." | Read more » 5 months ago
Ag8n "How do you plan to investigate and test for these chemicals? Very good initial paper. " | Read more » 5 months ago
Ag8n "It's much more complicated than it seems. It isn't whether something is sand or silica. Because, by definition, they are the same thing. Sand is..." | Read more » 5 months ago
Ag8n "I can't tell you about the current regulations. Sorry. But the rule of thumb with tethered balloons was to put a weak link in the line at the ball..." | Read more » 6 months ago
Ag8n "We are told (northern Ohio) that we have the most potholes in the country. Why? Because this part of the country has the most freeze/ thaw cycles..." | Read more » 6 months ago