| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| bhamster | "Thanks for this vital information @Ag8n! " | Read more » | over 2 years ago | |||
| Ag8n | "The nir instruments are heavily used in agriculture. The company I worked for wanted to use Near Infra-Red (reflectance), also called NIRR, to dete..." | Read more » | over 2 years ago | |||
| Ironman | "Thanks for all your answers and help. But solving all kind of plastics or swapping them with iron (III) chloride and having a high chance of false ..." | Read more » | over 2 years ago | |||
| Ag8n | "Please go to the web page mentioned. You will see that this test works by reacting the extract with iron (III) chloride. Many other materials wil..." | Read more » | over 2 years ago | |||
| bhamster | "There are some potential leads in this Twitter thread (screenshot below) Thanks @liz and @sara for these! " | Read more » | over 2 years ago | |||
| Ag8n | "A better approach would be Uv/ vis. Phenols, such as BPA, absorb at about 280 nm. So you would set up an extraction to pull out the BPA and run a..." | Read more » | over 2 years ago |