| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Copying in that discussion here, as it belongs here more appropriately: Also thinking of making a kit -- here are individually packaged acetone wi..." | Read more » | over 6 years ago | |||
| warren | "I was looking for some pre-cut smaller pieces of copper in standard sizes, in part to avoid the warping that cutting big sheets with shears can cau..." | Read more » | over 6 years ago | |||
| warren | "And do you have to discard the sandpaper on each use, or can it be used over and over? Thanks! " | Read more » | over 6 years ago | |||
| warren | "Hi, i saw you mentioned: it’s almost more like a polisher regarding the sandpaper -- was that a bad thing? Would you opt for a different grade of..." | Read more » | over 6 years ago | |||
| warren | " Just a note that we'd looked at some single-use acetone nail polish removing pads, because people wouldn't necessarily need a whole bottle -- but..." | Read more » | over 6 years ago | |||
| warren | "Hi, @gretchengerhke - would acetone melt nitrile or latex gloves? I'm thinking of how to ship some things like cotton scrub pads and safety gear wi..." | Read more » | over 6 years ago | |||
| warren | "Just linking in here to the question where some of us have been looking for different materials and setups to do this test with: https://publiclab..." | Read more » | over 6 years ago | |||
| zengirl2 | "@gretchengehrke will know about the nail polish remover. Unfortunately my nail polish remover is not the standard fare since it is made for the lig..." | Read more » | over 6 years ago | |||
| zengirl2 | "Done @warren :) " | Read more » | over 6 years ago | |||
| warren | "What's a good way to determine this? Would it work to set up a test somewhere there is H2S, alongside a calibrated H2S detection technique and comp..." | Read more » | over 6 years ago | |||
| warren | "Great notes on choosing different copper pipes (apparently there's red copper and blue copper?) by @sara on this post: https://publiclab.org/notes..." | Read more » | over 6 years ago | |||
| warren | "Is nail polish remover just acetone, and is it pure enough for this? (Except for non-acetone nail polish remover, of course) https://www.amazon.c..." | Read more » | over 6 years ago | |||
| warren | "For what it's worth, you can buy H2S gas here for $189, but I think I'd think twice about doing so given how toxic it is: https://www.durawear.com/..." | Read more » | over 6 years ago | |||
| warren | "And @sara noted these glove bags for working with toxic materials: https://publiclab.org/notes/sara/2-6-2012/hydrogen-sulfide-testing-glove-bag " | Read more » | over 6 years ago | |||
| warren | "Also good resources at https://publiclab.org/wiki/site-survey ! " | Read more » | over 6 years ago | |||
| warren | "I was wondering if sheets could be nailed into a wooden plate. It does seem like it would be ideal for the sheets to be flat, so we can more easil..." | Read more » | over 6 years ago | |||
| warren | "This is really cool. Thanks for sharing this, Leslie! " | Read more » | over 6 years ago | |||
| zengirl2 | "TY for this answer. I'm giving out copper strips at the Factory Farm Summit and hopefully people will be able to share results with us! " | Read more » | over 6 years ago | |||
| gretchengehrke | "Hi @warren, "miscible" means it dissolves with them to create a homogenous mixture (i.e. doesn't separate out like oil and water do). Acetone is a ..." | Read more » | over 6 years ago | |||
| gretchengehrke | "The general principles discussed in this wiki would apply for hydrogen sulfide sampling too: https://publiclab.org/wiki/general-environmental-monit..." | Read more » | over 6 years ago | |||
| warren | "Hi, Gretchen, what does "miscible with water and with oil" mean? Is it related to what @matej and others learned about the ability to dissolve oil ..." | Read more » | over 6 years ago | |||
| gretchengehrke | "@Zengirl2, I think for the best results you'll want to use acetone, which is easy to find online and in a lot of drug stores and art stores (and ma..." | Read more » | over 6 years ago | |||
| warren | "Also, not that this sounds ideal, but these two students did some good documentation and work on detecting h2s from bodily sources, so to speak: ht..." | Read more » | over 6 years ago | |||
| warren | "There's some good brainstorming on this topic in these old posts by @megan, @shannon, and @sara: https://publiclab.org/wiki/new-mexico-hydrogen-s..." | Read more » | over 6 years ago |