gas
gas


Author Comment Last activity Moderation
DavidMack "The commercial air flow meters are easy to use and come with NIST traceable certificates but you can make your own air flow meter for lab use that ..." | Read more » over 9 years ago
nbmasson "Nice work! Looks like a clean and well-designed module. FYI, you can find some more open-source info at http://mobilesensingtechnology.com/ with s..." | Read more » over 9 years ago
neilh20 "Hey fantastic to have a calibrated gas sensor as the starting point. It is essential to the definition of "quality" in any air quality measurement ..." | Read more » over 9 years ago
liz "News from the North Brooklyn Boat Club: Yesterday NYCDEP reported a break in the case. In their words: "We received an anonymous spill report of ..." | Read more » over 9 years ago
mathew "seems like auto stores sell oil absorbers. Autozone sells "new pig" brand, and they make an oil-only rag: http://www.autozone.com/autozone/accesso..." | Read more » over 9 years ago
straylight "good work amy, I like the thinking. I've had the optic fibre tactic on the backburner now for a while, I have the fibre, just need to work on a le..." | Read more » over 9 years ago
warren "If you look at some of Chris Fastie's work on the Infragram technique, he's posted a lot about theater gels as a way to filter certain wavelengths ..." | Read more » over 9 years ago
mathew "hmmm... neat idea. Some paints have aniline dyes, but many higher quality paints have just pure mineral pigments. the spectrum of the reflectivit..." | Read more » over 9 years ago
stoft "So, the translucent paint would provide a filter and you'd select the paint color to select the spectral wavelength to detect? ...which is similar ..." | Read more » over 9 years ago
stevie "Ohh I understand. Ok I might get this wrong (I'm still new to the science) but we were using the mineral oil as a sort of base sample. We know how ..." | Read more » over 9 years ago
amysoyka "The purpose of the paint is to act as a filter so that only the exact colour wavelength that matched the colour will be absorbed and trigger the li..." | Read more » over 9 years ago
stevie "Interesting.. with the oil testing kit we've been using mineral oil. Might that serve a similar function? " | Read more » over 9 years ago