| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "As with everything else, there are many possible interferences. Is this project still active? " | Read more » | 8 months ago | |||
| Ag8n | "Doggone spell check. It should be" These are emission lines, so no lamp is needed. " not " These intermission lines, so no lamp is needed. " " | Read more » | 8 months ago | |||
| Ag8n | "Just caught this whole looking up some other stuff. The technique most commonly used is atomic emission spectroscopy AES. The flame is so strong,..." | Read more » | 8 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 » | over 1 year 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 » | almost 2 years 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 » | about 2 years 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 » | about 2 years 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 » | about 2 years 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 » | about 2 years 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 » | about 2 years ago | |||
| Ag8n | "Looks great! " | Read more » | about 2 years 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 2 years 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 2 years ago | |||
| Ag8n | "https://youtu.be/u5tUmdWALn0 Hopefully, this link works to the video " | Read more » | over 2 years 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 2 years 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 2 years ago | |||
| Ag8n | "I hate autocorrect. It's pyrolyzing, but autocorrect thought was an error and made it paralyzing. Sorry. " | Read more » | over 2 years ago | |||
| Ag8n | "Just to give an idea of what's going on, you're paralyzing a bit of the stopper. Then burning it to see the flame and flame color. It's very simi..." | Read more » | over 2 years ago | |||
| Ag8n | "Very good work. Another possible demonstration. I worked for a pharmaceutical company. We would check the incoming stoppers to see if they had b..." | Read more » | over 2 years ago | |||
| Ag8n | "There are a number of emission spectra used with the spectrometer. As an example, the instrument is calibrated with the emission spectrum from a ..." | Read more » | about 4 years ago | |||
| Ag8n | " The green line on a compact florescent lamp is the one at 546 nm. There are a couple of calibration videos on the link @Warren gave that might h..." | Read more » | over 4 years ago | |||
| Ag8n | " The kits for these tests ( someone correct me if I'm wrong) appear to be made by RenekaBio. A quick look down the test procedure and method showe..." | Read more » | over 4 years ago | |||
| Ag8n | "You know, there is a type of visible reflectance done often. It's the type used for paint matching in hardware stores and other similar places. T..." | Read more » | almost 5 years ago | |||
| Ag8n | "The most common place for reflectance work is in infra-red(IR) and near infra-red (NIR) work. In the NIR, this is called NIRR. With IR, the most ..." | Read more » | almost 5 years ago |