| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| gretchengehrke | "Links to spectra sets in Spectral Workbench: ND Crude set: https://spectralworkbench.org/sets/2905 80W90 set: https://spectralworkbench.org/sets/..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Hi Don, I was assuming the output would be in frequency for both, but there would be an algorithm before the graphing step to do a unit conversion,..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Looks great! Two thoughts: (1) definitely important comment by Jeff about units and potentially a post-data-retrieval function for units conversio..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Would it be useful for these folks to have balloon or kite mapping kits to take aerial photos of mine operations and expansions? " | Read more » | over 8 years ago | |||
| gretchengehrke | "Update: Received word back from the Kitagawa company. Unfortunately, they were of no help, simply saying that "...tube 710 is designed for monito..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Just so this is recorded on this thread, here is my plan for moving forward: (1) Get information from the Kitagawa research team about co-contamina..." | Read more » | over 8 years ago | |||
| gretchengehrke | "I'm happy to post my dissertation, but it has nothing to do with this (it explores natural Hg isotopic composition and fractionation in the marine ..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Ah, it makes sense why Hg(0) won't have a fluorescence line on compound fluorescent bulbs though: the liquid Hg(0) in the tube needs to be ionized ..." | Read more » | over 8 years ago | |||
| gretchengehrke | "I am absolutely positive that the most common forms of Hg are Hg(0) and Hg(II) -- my whole PhD is on mercury, specifically on Hg isotopes. The onl..." | Read more » | over 8 years ago | |||
| gretchengehrke | "I like this idea a lot, @DavidMack. One thing we've been talking about on staff is developing a sort of environmental monitoring guide, one sectio..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Oooh -- nice find, @DavidMack! Thanks! " | Read more » | over 8 years ago | |||
| gretchengehrke | "Thanks, @warren, that would be great! I'll tag it for the blog too. " | Read more » | over 8 years ago | |||
| gretchengehrke | "Here is a picture of the DNPH cartridge used in the DOH analysis, and one of Gretchen learning to use the DOH instrument. " | Read more » | over 8 years ago | |||
| gretchengehrke | "Here are the graphs (not sure why they didn't show up in the original post): " | Read more » | over 8 years ago | |||
| gretchengehrke | "@warren, I definitely agree that the idea of a centralized committee would be at odds with democratization of science. I was envisioning something..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Using the spectrometer and the online program Spectral Workbench, you observe light intensities. It is not exactly "UV-Vis" since the webcam of th..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Oh, and clarification for my comment above: oxidation states are simply different common ions. Hg (0) is neutral, Hg (II) is short two electrons,..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Hg (II), Hg (I), and Hg (0) are oxidation states of mercury. Hg (II) and Hg (0) are by far the most common forms of Hg in the environment -- Hg (I..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Please post pictures in the comment section that are good example photos. I intend to put this information into a wiki page soon, and would love t..." | Read more » | over 8 years ago | |||
| gretchengehrke | "What kind of tampons did you use in this experiment? I was just looking up tampon materials, and it looks like different brands use cotton, rayon,..." | Read more » | over 8 years ago | |||
| gretchengehrke | "Ecta64, that's a good point. Liz confirmed that they never used thermal imaging system on the Gowanus, so it must have been a miscommunication abo..." | Read more » | almost 9 years ago | |||
| gretchengehrke | "Hi Chris, Edan, whom I interviewed for this, was pretty adamant that the photos he saw and used were thermal images. I know specific kinds of came..." | Read more » | almost 9 years ago | |||
| gretchengehrke | "Hi Chris, Thanks for the note! Good point -- I did not link to a thermal image there, nor use one for the lead image. I will sort through MapKnit..." | Read more » | almost 9 years ago | |||
| gretchengehrke | "This is great. Using absorbent materials to concentrate aquatic contaminants for analysis has a good, long history and the next step -- extracting..." | Read more » | almost 9 years ago |