| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| JSummers | "Building a spectrometer is a fine university project, but this will not work for detecting fentanyl. Fentanyl does not absorb in the range where t..." | Read more » | almost 7 years ago | |||
| stef | "This may not be a project to determine the quantities of the subject of your concern. The spectrometer in question is at an entry level and the ana..." | Read more » | almost 7 years ago |