| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| DanielleS | " Thanks @Ag8n !! Do you want to join us to brainstorm about soil testing methods for contaminants at the OpenHour: Date: Monday, April 1st Time: 6..." | Read more » | about 5 years ago | |||
| evabeauty | " chirurgie esthétique tunisie chirurgie esthetique en tunisie chirurgie esthétique tunisie chirurgien esthétique Prix chirurgie esthétique en tunis..." | Read more » | about 5 years ago | |||
| Ag8n | " On pcbs (it's the chlorine part I 'm worried about, here), whenever you put a chlorine containing material in a flame, the flame should turn green..." | Read more » | over 5 years ago | |||
| warren | " Thanks @DanielleS! I added tags benzene,toluene,ethylbenzene,xylene and activity:soil and others to help connect this up with other pages. :tada: " | Read more » | over 5 years ago | |||
| Ag8n | " From a quick look, it seems that PAHs and PNAs (polynuclear aromatic hydrocarbons) are the same thing. We did PNA analysis on carbon black that w..." | Read more » | over 5 years ago | |||
| softwarecountrs | " thanks for sharing this reliable Information " | Read more » | over 5 years ago | |||
| shritejkhopade8 | " NICE POST THANKS FOR SHARING " | Read more » | over 5 years ago | |||
| jjcreedon | " XRF analyzers are expensive to purchase; however , most companies that sell them will also rent instruments. This is a great option for large proj..." | Read more » | over 5 years ago | |||
| falbriard | "@DanielleS I live and work at the Southern Coast in Brazil in a green forest belt known as Atlantic Rain forest. Traveling to Barnraising/TX would..." | Read more » | over 5 years ago | |||
| DanielleS | "Thanks @falbriard - I would love to exchange thoughts and brainstorm on this. I think its really important to keep developing these technologies. W..." | Read more » | over 5 years ago | |||
| Ag8n | "I know it's expensive, but the quickest heavy metal monitor is to dry the soil and do X-Ray flourescence (XRF). After that, there are many set che..." | Read more » | over 5 years ago | |||
| falbriard | " Dear DanielleS. I'm a software developer, retired but still active with code writing, developing analytics for natural resource management. We ju..." | Read more » | over 5 years ago | |||
| warren | "@jjcreedon just responded with the following: Almost anything. We have partnered with Test America for discounted pricing mainly on metals, PAH's,..." | Read more » | over 5 years ago | |||
| warren | "Hi, @jjcreedon -- what kinds of contaminants is this appropriate for? I just want to confirm so we can tag it appropriately. Thanks! " | Read more » | over 5 years ago | |||
| Bronwen | " @Bronwen has marked jjcreedon as a co-author. " | Read more » | over 5 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 | |||
| Ag8n | "There are a few " killers" in the referenced article. One was the remark about converting arsenic to volatile hydrides. One of those hydrides cou..." | 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 | |||
| mathew | "real cool! " | Read more » | about 8 years ago | |||
| warren | "Pasting in comments from the plots-waterquality list -- There's arsenic in some Somerville soil -- especially at the Kiley Barrel site right near ..." | Read more » | over 9 years ago | |||
| warren | "Note that the above spike is not even in the UV range -- it's around the color green, which we could easily pick out with the basic spectrometers w..." | Read more » | over 12 years ago |