desktop-spectrometry-kit
desktop-spectrometry-kit


Author Comment Last activity Moderation
Luniversdelalicorne "totally agree " | Read more » 11 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 » 11 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 » 11 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 » 11 months ago
dcanprdn "R G B colored low-price lasers are everywhere ??!!! Ebay, Aliexpress etc ADP " | Read more » 11 months ago
dcanprdn "Why not use low price R G B office laser pointers for visible light calibration ? ADP " | Read more » 11 months ago
Ag8n "Sorry, got a phone call. The same line listed for this spectrometer should be usable for the spectrum lab instrumenent. The lines are only listed..." | Read more » about 1 year ago
Ag8n "Checked on amazon. Found three spectrometers, similar in function to the spectrum lab. They are priced at $7, $9, and $37. The $37 is the best. I..." | Read more » about 1 year ago
givemehits "ok " | Read more » about 1 year ago
amerikangold "Correct ! " | Read more » about 1 year ago
Ag8n "Or of holmium chloride solution, for that matter. Probably the solution would work better, but there would be done handling issues. " | Read more » about 1 year ago
Ag8n "Thanks for the alternate source of didymium glass. Do you know of any less expensive sources of holmium oxide glass? Thank you. " | Read more » about 1 year ago
david_uwi "You've got to be careful with lasers. The visible lines are often not their main emission lines. For instance a green laser (532 nm) puts out more ..." | Read more » about 1 year ago
socinova123 "If you’re looking for the best social media management company then it is the best solution for you. which is well-known and trustworthy. " | Read more » about 1 year ago
Ag8n "I checked the pictures of the 3 lasers in one of the marketing shots. The red, green, and the violet laser all showed a laser warning tag with 405..." | Read more » about 1 year ago
Ag8n "Another option is a pack of three lasers marketed as kitty chase toys. They run about $20. Again, quality is an issue. The colors are listed as ..." | Read more » about 1 year ago
Ag8n "You want a sharp, distinct, and stable line for calibration. Which is why the lasers are sought after. They are also hard to find. Please check ..." | Read more » about 1 year ago
Ag8n "Amazon has tricolor, four lead, LEDs. So all of the different color LEDs are in the same package. I'm this case, they give off red, green and blue..." | Read more » about 1 year ago
Ag8n "Some of the early lamps for hplc detectors used mercury lamps, which could cover both visible and uv wavelengths- granted only specific ones. But ..." | Read more » about 1 year ago
warren "Hi! It's a good question. CFLs have multiple very strong and stable lines, so it's hard to find something like that. If we had infrared we might us..." | Read more » about 1 year ago
Tomas0413 "Quick update: The grating orientation might be the thing. I tried 4 * 2 = 8 combinations for the grating, and it didn't make any difference - in ..." | Read more » almost 4 years ago
Pushpaw "Just tried it and it is important to note that what you will see is 3 dots once the laser beam has passed through the diffraction grating. One is w..." | Read more » almost 4 years ago
Tomas0413 "The grating orientation might be the thing. I somehow didn't think about it before. I do have a laser pointer, and when I tried a few weeks ago, I ..." | Read more » almost 4 years ago
Pushpaw "As far as I can see that camera placement looks as it should. Going off on something of a tangent, do you happen to have a laser pointer. If you po..." | Read more » almost 4 years ago