| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "You have to be careful on how different methods work. The answers can vary dramatically from method to method. For example, if atomic absorption(..." | Read more » | about 3 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 | |||
| lavaux | "I would like to answer your question in a different way: 1. In order to analyse a metal (by atomic emission spectrometry, AE), you need to put your..." | Read more » | almost 6 years ago | |||
| warren | "Thanks! I really appreciate this answer. " | Read more » | almost 6 years ago | |||
| Ag8n | "The instruments to do The testing you want are complicated. It's not that the spectrometer couldn't be used, but it would take a lot of work. Her..." | Read more » | almost 6 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 | |||
| 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 | |||
| ronhuber | "I think those cheap riffle crickets would be great! Can we set a time and date to meet and test deploy one or more? One assumes the 'seeps' w..." | Read more » | almost 10 years ago | |||
| warren | "@donblair - is there a way we could use multiple riffle "crickets" to look at where point sources of heavy metal pollution are? Or some other way w..." | Read more » | almost 10 years ago |