concentration
concentration


Author Comment Last activity Moderation
straylight "In spectral workbench, when you are looking at a spectra, there is an option to export and save the data in a variety of formats, including xml and..." | Read more » about 10 years ago
ichinarayan "wow beyond belief. i thought it was complicated listing program. and how do you exported the spectra image into csv form? thanks a lot " | Read more » about 10 years ago
chemcarr "Markdown Great ! I am thinking on similar lines. You have a great CuSO4 calibration curve there. I work with aquaponics lab ion the incredible aq..." | Read more » about 10 years ago
straylight "Thanks for the question ichinarayan, I exported the spectra in csv form into microsoft excel. From there I selected the wavelengths I wanted to st..." | Read more » about 10 years ago
ichinarayan "what software do you use for your analisis program used to generated graph? " | Read more » about 10 years ago
homechemist "Interesting, it´s kind a Tyndall effect no?, but however i think that is not enough accurate to "select" an specific wavelength like an specific fi..." | Read more » over 10 years ago
amysoyka "*sorry the PIC with my hand around it didn't give it justice...here is a better shot, with the blackout paper. " | Read more » over 10 years ago
amysoyka "To highlight: The range of colours you get from different length glue sticks. What it looks like normally on my hand. (It works best if you w..." | Read more » over 10 years ago
amysoyka "I've been experimenting with lots of things... I ended up getting sucked up into the world of photography as a result. (Which covers a lot of this)..." | Read more » over 10 years ago
homechemist "okay great, it should be perfect for starting, i have read one of your projects ( element's identification) and i have been working on that for a t..." | Read more » over 10 years ago
amysoyka "I found that this online course went into s lot of that at a basic level. https://www.open2study.com/courses/chemistry " | Read more » over 10 years ago
homechemist "well, yeah that is absolutely true, red cabbage contents Anthocyanin which is a perfect universal indicator(in fact , I use it as ph indicator fo..." | Read more » over 10 years ago
amysoyka "I just finished an online chemistry course - and in that the bloke mentioned that boiled red cabbage is natures perfect universal indicator. Could ..." | Read more » over 10 years ago
homechemist "well , i suppose it should work but firstly we have to develop a color-based nitrate detection , we can try to use nitrate detection reagents for w..." | Read more » over 10 years ago
warren "Interesting! It'd be neat to look at colorimetric nitrate detection with this approach. http://publiclab.org/wiki/nitrate-detection " | Read more » over 10 years ago
stoft "Good observations -- but why use a CFL which has poor SNR for wide-band averaging because the spikes prevent using higher light intensities for bro..." | Read more » over 10 years ago
ygzstc "Thanks a lot Jeff! " | Read more » over 10 years ago
warren "I think i found the data on Yagiz's Spectral Workbench profile, and I made a set: https://spectralworkbench.org/sets/show/1369 Embeds don't seem t..." | Read more » over 10 years ago
straylight "ah yes, good thinking. well done again on your work, a very well written research note as well. stu " | Read more » over 10 years ago
ygzstc "Thanks Stu... I just wanted to see if added sugar is detectable first. If yes, you can may be measure the sugar levels during wine making process a..." | Read more » over 10 years ago
straylight "A rather nice exercise, well done. Quite surprising results I think, I would have predicted the extra sugar to have had minimal effect on the trans..." | Read more » over 10 years ago
btbonval "I just saw an article about detecting if a drink has been drugged: http://www.gadgetify.com/pd-id-tells-drink-drugged/ How much sugar is in wine? ..." | Read more » over 10 years ago
warren "Oh I was just hoping for links to the raw data you collected. " | Read more » over 10 years ago
ygzstc "Info about the spectra is in the appendix already but I guess you mean something different by linking? Am I missing something? " | Read more » over 10 years ago