street
street


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 » over 4 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 » over 4 years ago