| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| PivotalMayfair1 | "Whether for fitness or fun, a brisk walk on a cold, crisp day can be exhilarating and refreshing. It can also be a direct route to frozen toes, hyp..." | Read more » | almost 4 years ago | |||
| theuntoldrecipe | "I m always learn ur post " | Read more » | almost 4 years ago | |||
| liz | "Thank you @David_Uwi " | Read more » | almost 4 years ago | |||
| liz | "Thank you so much for writing out this question -- as i am not from the commercial world, it's helpful for me to understand where different people ..." | Read more » | almost 4 years ago | |||
| Ag8n | "You will need to tweak the method a little more, with volumes amounts of material added, etc. This should be viable for ammonium nitrate based ma..." | Read more » | almost 4 years ago | |||
| ritikamountabu | "http://mountabuescorts.in/ http://mountabuescorts.in/independent-female-escort-mount-abu.html http://mountabuescorts.in/mount-abu-Escorts-service.h..." | Read more » | almost 4 years ago | |||
| Ag8n | "Make sure you look for the liquid sample test ammonia kit, if interested. This is the one with a test tube and two liquids to add. The wrong kind..." | Read more » | almost 4 years ago | |||
| Ag8n | "Re:the ammonia problem- Amazon sells api ammonia test kits for fish tanks. The cost is under $7 for 130 tests ( be suspicious of this number, thou..." | Read more » | almost 4 years ago | |||
| Ag8n | "The usual way to solve the ammonium nitrate problem is to form a complex (that does absorb in the visible) and analyze the complex. Off the top of..." | Read more » | almost 4 years ago | |||
| david_uwi | "Yes you're quite correct in an ideal world we would be using absorbance (Log of transmission) and subtracting a blank. There is also a problem with..." | Read more » | almost 4 years ago | |||
| Ag8n | "Ok guys,I'm used to commercial instruments. So these scans always throw me. First, if you are trying to compare concentration in the commercial w..." | Read more » | almost 4 years ago | |||
| georgiatestprep | "Interesting to see such solutions and question too. big clap. " | Read more » | almost 4 years ago | |||
| akhila | "Thank you so much for your response, it was really helpful! " | Read more » | almost 4 years ago | |||
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| warren | "Hi, @akhila - this is a really cool experiment you're doing! OK, i think i may have some suggestions that could help; i think you may have a doub..." | Read more » | almost 4 years ago | |||
| kgradow1 | "@kgradow1 awards a barnstar to akhila for their awesome contribution! " | Read more » | almost 4 years ago | |||
| kgradow1 | "That's interesting. I wonder why there is such a difference in the gradient for the nitrogen water. Also interesting that the contaminated milk s..." | Read more » | almost 4 years ago | |||
| warren | "Some serious progress has been made on this, for running SpectralWorkbench on the Raspberry Pi and connecting to it's camera: https://github.com/pu..." | Read more » | about 6 years ago | |||
| sixtwo_037 | "Yes it is possible to redesign it for two Gclub Royal cuvette at one time would just need to widen the area toward the spectrometer and double the ..." | Read more » | about 6 years ago | |||
| Aleksi12358 | "What contaminants exactly you are talking about? There is photometer reagents for many different chemicals. For example this shop has many differen..." | Read more » | over 6 years ago | |||
| raj | "raspberry pi camera: spectral response curves for more details go through my website you can get all details http://zipansion.com/1TSg4 " | Read more » | over 6 years ago | |||
| Ag8n | "Thanks! Give me a couple of days and I'll email you a more detailed description. The help is appreciated! " | Read more » | over 6 years ago | |||
| stevie | "Woah interesting question! can you give me some context or background for it? I'll volunteer to do some hunting for someone who can help answer :) " | Read more » | over 6 years ago | |||
| Ag8n | "A partial answer. Each block of analyzers is heated to 37.0 C . They do not use a spectrometer. Instead, each cell in the analyzers has a led (a..." | Read more » | over 6 years ago |