| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| JSummers | "Hi Esben, Thanks for the comment, and thank you for your early work on the TCD1304. That was instrumental in us getting this project as far as we ..." | Read more » | over 2 years ago | |||
| esbenrossel | "That looks great! Can you reveal some details about the optics? Groove-density, focal lengths etc? " | Read more » | over 4 years ago | |||
| falbriard | " @Ag8n , thanks so much for support and answers. Meanwhile I also found a summary of reagents and methods based on UV/VIS spectrophotometry [ http..." | Read more » | about 5 years ago | |||
| Ag8n | " You might want to look into ANDalyze. They use a new technology based on DNA for heavy metal analysis in water samples. I'd need to see validati..." | Read more » | about 5 years ago | |||
| Ag8n | " First off, spectrometers are much more common than spectrophotometers, these days. And cheaper too. T he method you referenced relies heavily on..." | Read more » | about 5 years ago | |||
| Ag8n | " I've used a version of this method. We used it for lead and just for visual comparison. There was a link for it but it wouldn't work. It was th..." | Read more » | about 5 years ago | |||
| Ag8n | " I'm downloading it now. Give me a day or two to go through it. Thanks! " | Read more » | about 5 years ago | |||
| falbriard | " Checking several chemical measurement processes, I found an active reagent that applies, it is named: "Diphenylthiocarbazone (or Dithizone)". It ..." | Read more » | about 5 years ago | |||
| Ag8n | " You might be able to find some thing. Let's take it step by step. First, the only one of those metals that has any color in the Vis is chromium. ..." | Read more » | about 5 years ago | |||
| falbriard | " @Ag8n , Thanks for the reply. There might exist different view angle, about the challenge and ways to tackle the problem. Your answer is right,..." | Read more » | about 5 years ago | |||
| Ag8n | " First, using a spectrometer in the visible range ,by itself, normally isn't possible. You normally have to add chelating agents to make the metal..." | Read more » | about 5 years ago |