| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Suiris | "Hi Ernie, Thanks for the great advice and information. To be honest I am completely new to te spectrometer hobby and most of what you wrote baffles..." | Read more » | almost 11 years ago | |||
| drabanus | "One other test to characterize the stability of your spectrometer is to just repeat identical measurements after a certain time span, say minutes, ..." | Read more » | almost 11 years ago | |||
| Ernie | "Some typo's in my previous post: To normalize your sample spectrum, you will want (delete "you") to divide... Use an (delete "sample") empty bottle..." | Read more » | almost 11 years ago | |||
| Ernie | "I hope your system is mechanically stable so as to get reproducible spectra. With regard to the illumination spectrum (the LED), it is not truly w..." | Read more » | almost 11 years ago | |||
| Suiris | "I am using a Canon IXUS 120 IS for taking pictures, then I cut out the spectrum from the black background, paste it as a new image and upload it t..." | Read more » | almost 11 years ago | |||
| danbeavers | "OK then I would like to know about your work flow. Are you using a camera attached to your computer or are you taking a picture and then processing..." | Read more » | almost 11 years ago | |||
| Suiris | "Thanks! Her name is Fia and she is six years old :) " | Read more » | almost 11 years ago | |||
| Suiris | "I noticed the shift too danbeavers. My thoughts are that when I cut out the spectrum from my image and pasted it as a new image I wasn´t carefull w..." | Read more » | almost 11 years ago | |||
| danbeavers | "I wonder about the peaks appearing to shift between different exposures. Looking at the left most peak the filtered 8 second exposure is to the ri..." | Read more » | almost 11 years ago | |||
| danbeavers | "Really great job. I especially like the cat with yellow and blue eyes! " | Read more » | almost 11 years ago | |||
| Suiris | "Boiling the samples down to half their volume is a great idea! Will try that next time and see if there are any volatile contaminants. " | Read more » | almost 11 years ago | |||
| Suiris | "Hi cfastie. Thanks! The water I tested came from the faucet in Stockholm, Sweden. The water treating plants here have a hard time filtrating medici..." | Read more » | almost 11 years ago | |||
| cfastie | "Excellent test. What do you think is in your water? Particulate matter? Or something dissolved, like a salt? Either way, if you boiled some down to..." | Read more » | almost 11 years ago | |||
| Suiris | "https://spectralworkbench.org/analyze/spectrum/10457 " | Read more » | almost 11 years ago | |||
| warren | "Cool -- can you post a link? " | Read more » | almost 11 years ago | |||
| Suiris | "Ok, finally figure it out Warren, I uploaded the image to spectralWorkbench without any distortion. " | Read more » | almost 11 years ago | |||
| Suiris | "Hi Warren, Thanks for the kind comment. I havn´t uploaded it yet, when I upload my spectral images somehow they get strangely comressed and the lin..." | Read more » | almost 11 years ago | |||
| warren | "Wow, that is a gorgeous spectrum! Have you uploaded it to Spectral Workbench yet? I'd love to see a graph. " | Read more » | almost 11 years ago | |||
| Suiris | "Thanks cfastie, I still think I can do a better job though, getting the focus and resolution even better. Glad to see the line near 538 nm line app..." | Read more » | almost 11 years ago | |||
| cfastie | "Hi Martin, That's a beautiful spectrum. You obviously got everything lined up perfectly. I don't know about the extra line near 405 nm because my c..." | Read more » | almost 11 years ago | |||
| sonofaquark | "yes. i signed up with the pseudo because i have had trolls bug me in online forums but i doubt that will happen here. I changed the name to bob in ..." | Read more » | about 11 years ago | |||
| warren | "Hear, hear! Are you involved in the pesticide detection discussion on the list? https://groups.google.com/forum/?fromgroups=#!searchin/plots-spect..." | Read more » | about 11 years ago | |||
| warren | "Sweet! We need to build out our "how to do spectral analysis" wiki pages soon. " | Read more » | about 11 years ago | |||
| mathew | "awesome! great iconography- I love the "agitate lines" " | Read more » | about 11 years ago |