question:general
question:general


Author Comment Last activity Moderation
read_holman "Huh... Sorry about the duplicate questions. The page stalled on me and I didn't realize that the first one posted. (edit: I just deleted said dupli..." | Read more » almost 6 years ago
liz "Hey Read, your page is looking great! The new tags look good, and i added another one parent:lead so that people can kind of navigate through this ..." | Read more » almost 6 years ago
read_holman "Hi @liz -- Cool. The aggregate page (for lack of a better word) is super helpful! Seeing all the related content / questions now and will check tho..." | Read more » almost 6 years ago
read_holman "Awesome. Thanks " | Read more » almost 6 years ago
liz "I took my own advice and created publiclab.org/lead, linking to the Lead Data Collaborative at the top " | Read more » almost 6 years ago
Ag8n "I'd be happy to help. Give me some time to look it over. I've worked extensively with EDXRF, but mostly the desktop (read R&D) variety. Only..." | Read more » almost 6 years ago
read_holman "@Ag8n I'd love to pick your brain about the technologies. I am familiar with the general trends, but only bc I've read about them, have worked with..." | Read more » almost 6 years ago
liz "Excited that you might create a wiki page for "lead" ! You can create it by clicking the button on https://publiclab.org/tag/lead that says "Add on..." | Read more » almost 6 years ago
cfastie "Stevie, The image code is still embedded in the version of my comment you promoted to an Answer. So I just copied the markdown into another comment..." | Read more » almost 6 years ago
stevie "Thanks for the answer. One of the problems I think we'd run into in Louisiana is that the water is pretty muddy there (the Muddy Mississip!!). This..." | Read more » almost 6 years ago
cfastie "The intense red tide blooms (Karenia brevis) in the Gulf of Mexico are easy to detect with normal color photography because they are red (top image..." | Read more » almost 6 years ago
MaggPi "Not sure if all algae blooms have the same red color but it looks like the ones in Florida peak at 700nm. See: https://hyspiri.jpl.nasa.gov/downl..." | Read more » almost 6 years ago
whiteice217 "There is a service I heard about on a TED talk at www.planet.com. Apparently they are using satellites to take daily pictures of the earth for comp..." | Read more » almost 6 years ago
Ag8n "I've done a lot of lead testing. This was mostly by atomic absorption (AA), in an industrial situation. The specs have changed. The lead levels ..." | Read more » almost 6 years ago
liz "Hi @read_holman, I added the tag question:lead to this great question in order to link this to some previous postings and a bit of discussion. " | Read more » almost 6 years ago
liz "Looks like the Public Lab Store offers the microscope stage calibration slide as an Add-On. If you overlay your sample on this very small ruler, yo..." | Read more » almost 6 years ago
ava_porter "Thanks verybody " | Read more » almost 6 years ago
ava_porter "Google will help you " | Read more » almost 6 years ago
Bronwen "@yamanoorsai The fidget spinner sounds like a really cool project. Would you have any interest in sharing your process here in a research note? I'..." | Read more » almost 6 years ago
ShainaKasper "I work with dozens of community groups fighting PFAS drinking water contamination and I have a few things to share: (1) When testing, there are a l..." | Read more » almost 6 years ago
warren "Hi, Cindy - maybe we could prototype this end of August if you want? " | Read more » almost 6 years ago
sammy_6_2003 "The cost for analysis can be quite costly. We are currently working in our lab network (Enthalpy Analytical LLC) to be able to offer a low cost scr..." | Read more » almost 6 years ago
cindy_excites "Hi @yamanoorsai - that sounds quite fun! We need the balloons because of their visual impact - we'll be doing an evening walk through the city. " | Read more » almost 6 years ago
Ag8n "The recommended limit of pfoa + pfos is 70 parts per trillion (!). That's recommended, it's not enforced. The method of analysis is by LC/MS/MS. ..." | Read more » almost 6 years ago