h2s photopaper
activity:h2s-photopaper

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Author Comment Last activity Moderation
stevie "Hi @megan - We're going to do an OpenHour on exploratory hydrogen sulfide monitoring methods Monday, January 8th at 8pm ET/ 7 central. Hope you'll ..." | Read more » about 7 years ago
stevie "Hey @sophie - it has been a while! Hope all is well. We're going to do an OpenHour on exploratory hydrogen sulfide monitoring methods Monday, Janu..." | Read more » about 7 years ago
warren "Also note this PDF version! https://i.publiclab.org/system/images/photos/000/004/830/original/H2SphotopaperHowTo_ew__(1).pdf " | Read more » about 7 years ago
warren "Hi, Sophie - did you get to do your follow-up tests? I'm curious what's happened since you published this! Thanks! " | Read more » almost 9 years ago
sara "Hi Sophie it just occurred to me that the Hydrogen Sulfide may have reacted with the metallic surface of the bag? Did you consider that? What were ..." | Read more » almost 10 years ago
sophie "Thanks for all the positive feedback! I'm not sure where the bags originally came from, but they cost about $35 for five here: http://beprepared.co..." | Read more » over 10 years ago
megan "Nice! I love the water bag tests, it is really brilliant. What is the cost of the bags? If doing a large scale deployment, it seems like it would b..." | Read more » over 10 years ago
warren "Wow, this looks great; I really appreciate the emphasis on ease of construction and your careful water bag tests! @megan, @deepwinter, and others w..." | Read more » over 10 years ago
mathew "Great kit assembly instructions! " | Read more » over 12 years ago
sara "Directions for making the glycerol solution mention here can be found in this research note: Making-glycerol-solution-h2s-film-assay " | Read more » over 12 years ago
jschaffr "A controlled test environment has been generated to test these Hydrogen Sulfide Detectors. Procedure may be found here " | Read more » about 13 years ago