| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| homechemist | "Anyway, tomorrow if I have time I am going to upload a new research note on chromatography that i think it will be really interesting for detecting..." | Read more » | over 9 years ago | |||
| homechemist | "Well, actually i cannot tell you exactly the concentration because i have prepared the solution roughly , but i think is more or less between 0,30..." | Read more » | over 9 years ago | |||
| warren | "Very interesting. What was the concentration of the copper solution? " | Read more » | over 9 years ago | |||
| homechemist | "The device is based on the public´s lab one, is one of the project that i posted time ago, the only thing that changes is the calibration(I used tw..." | Read more » | over 9 years ago | |||
| warren | "not large enough to detect most of the functional groups present What range would we need? I understood that the important fingerprint range is 16..." | Read more » | over 9 years ago | |||
| warren | "Wow! metallic solutions tend to block infrared light Really, even under 1000nm? Could this help to detect heavy metal contamination in water, or ..." | Read more » | over 9 years ago | |||
| warren | "Wow, Jeri also has a video (maybe less useful for us, but amazing) on a really amazing hack -- converting the receiver from a satellite dish into a..." | Read more » | about 12 years ago |