| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "Let me do a little more research and get back to you. " | Read more » | about 6 years ago | |||
| warren | "@Ag8n -- would you like one of our prototyping kits? We're almost ready to start shipping them out, and @asnow and @bronwen can get one over to you..." | Read more » | about 6 years ago | |||
| gretchengehrke | "That is such a good idea, @Ag8n!! We should definitely try this. @sara, what would you think about trying this with copper strips that are colocate..." | Read more » | about 6 years ago | |||
| Ag8n | "Copper and copper (I) oxide can be determined visually, based on color. Copper (II) oxide and copper sulfide, both of which are black, cannot be e..." | Read more » | about 6 years ago | |||
| Ag8n | "Hi Gretchen. Out of curiousity, what progress has been made on this question? Thanks. " | Read more » | about 6 years ago | |||
| gretchengehrke | "Also, I just saw on comptox.epa.gov that acetone is actually more hydrophilic than isopropanol, which totally surprises me! I guess vapor pressure ..." | Read more » | about 6 years ago | |||
| gretchengehrke | "Either acetone or 99% isopropanol are probably fine, and maybe we should do a comparison. The only concern I see with isopropanol is that it has a ..." | Read more » | about 6 years ago | |||
| Bronwen | "I think it probably depends somewhat on what we need the cleaning agent to do: alcohol and acetone work a little differently, and acetone will like..." | Read more » | about 6 years ago | |||
| warren | "@asnow @bronwen " | Read more » | about 6 years ago | |||
| warren | "@gretchengehrke mentioned: Isopropanol has pretty similar properties, but the commonly available rubbing alcohol in drug stores is 70% isopropanol..." | Read more » | about 6 years ago | |||
| warren | " " | Read more » | about 6 years ago | |||
| warren | "I tried scrubbing these with acetone after using very strong double-sided tape to attach them to a wood plank. So far it doesn't seem like the acet..." | Read more » | about 6 years ago | |||
| zengirl2 | "I'm liking this a lot. I might want to try these for my experiment as I think snipping copper is hazardous LOL. Also, this could make an interestin..." | Read more » | about 6 years ago | |||
| Bronwen | "I think you have to aim to be in a well ventilated area for pads too: pouring acetone might not be too terrible depending on what kinds of bottles ..." | Read more » | over 6 years ago | |||
| warren | "Just wanted to link over to this discussion of copper "badges": https://publiclab.org/questions/warren/12-06-2017/what-are-some-options-for-copper-..." | Read more » | over 6 years ago | |||
| 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 | " 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 | |||
| BSweet | "Reduced sulfur compounds generally have relatively short lifetimes in the atmosphere (days). A residence time of 4.4 days has been reported by War..." | 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 |