heavy-metals
heavy-metals


Author Comment Last activity Moderation
abusaud23 "This is a nice startup idea to work for as seeing the water scarcity in some places & in the near future too. Top MBA/pgm colleges in India " | Read more » almost 6 years ago
Bronwen "Hi @smmontgom - Apologies for the slow reply, we've had a busy week! Off the top of my head, the lead-specific research in North Brooklyn has been ..." | Read more » almost 6 years ago
liz "Hi @smmontgom , I enjoyed reading your poster on your previous sampling protocol. Thank you for sharing! I am a big fan of publishing data in this ..." | Read more » almost 6 years ago
smmontgom "@liz there is indeed a lot of potential synergy between what we're doing and the NYC DEP testing. Essentially we're building on their methods and u..." | Read more » almost 6 years ago
smmontgom "Hi @Bronwen I'd love to make a connection at Newtown Creek Conservancy and the North Brooklyn Boat Club if you wouldn't mind putting me in touch. M..." | Read more » almost 6 years ago
read_holman "A lengthier write-up on this effort by @smmontgom Crowdsourcing lead testing in NYC parks and playgrounds https://publiclab.org/notes/smmontgom/09..." | Read more » almost 6 years ago
liz "NYC has a robust lead testing program through the Department of Environmental Protection. I am wondering if this project can use their methods and ..." | Read more » almost 6 years ago
read_holman "Hi @Bronwen -- a slightly delayed reply here. I'm sort of the middle man for this one. @smmontgom-- do you want to check out the orgs mentioned her..." | Read more » almost 6 years ago
nshapiro "Very cool! it would be great to have more of that info on your sampling and analyzing approach on your website as most project don't have as advanc..." | Read more » almost 6 years ago
smmontgom "Hi @nshapiro, We started out using computer vision to analyze simple strip tests like you can get at your local hardware store for their ease of us..." | Read more » almost 6 years ago
nshapiro "Interesting! could you post more details on what kind of lead test is used and what your sampling protocol is? thanks! looking forward to learning ..." | Read more » almost 6 years ago
Bronwen "Hi @read_holman -- I might have mentioned the Newtown Creek Conservancy and the North Brooklyn Boat Club (there is a lot of overlap between the two..." | Read more » almost 6 years ago
smmontgom "@xuhulk awesome! Bedstuy and LES are 2 likely hotspots for lead. You can sign up to be a tester at https://www.citizenspring.org/ Corlears Hook Par..." | Read more » almost 6 years ago
xuhulk "I'm based in Bed-Stuy and the Lower East Side, and I'm very interested! " | Read more » almost 6 years ago
read_holman "@liz Hi there -- were you the person who mentioned a water monitoring effort with a college in Queens? Wondering if that'd be a group that would be..." | Read more » almost 6 years ago
Ag8n "The older usp method was based on hydrogen sulfide. This was later changed to a thioacetamide based test. This is better, but still not good. The..." | Read more » about 6 years ago
Kshatrya "If you are looking for specific metals, there should be some reagent that will precipitate or indicate that metal. But if you're looking for all th..." | Read more » about 6 years ago
Kshatrya "If you are looking for specific metals, there should be some reagent that will precipitate or indicate that metal. But if you're looking for all th..." | Read more » about 6 years ago
Ag8n "I like energy dispersive X-Ray florescence (EDXRF). It's non-distructive, low power, and relatively cheap. On the down side, it's hard to calibra..." | Read more » about 6 years ago
nedhorning "Hi Johan, Although a shift in the red edge could indicate heavy metal stress it could also indicate a host of other types of stress. Monitoring th..." | Read more » over 9 years ago
btbonval "I think it would be difficult to measure for heavy metals without interacting with the plant in some way, as the metals are unlikely to be hanging ..." | Read more » over 9 years ago
mathew "cool! you can also buy humic acids: http://www.planetnatural.com/product-category/growing-indoors/plant-nutrients/fulvic-humic-acid/ " | Read more » almost 10 years ago
warren "I'm doing a test today putting one bottle of 3 identically prepared Onta #1 samples of crude in mineral oil in the freezer, to see if temperature a..." | Read more » almost 10 years ago
mathew "exciting news re: humic acid skewing the spectra towards the red and heavier oils towards the blue. can we order samples of the same oils they're ..." | Read more » almost 10 years ago